A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.1 years, and standard deviation of 0.7 years. The 5% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place.

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.1 years, and standard deviation of 0.7 years. The 5% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 8PPS

See similar textbooks

Related questions

Q: How many different four-letter secret codes can be formed if the first letter must be an S or a T?…

A: We have to form the different secret codes of four letters. The first letter must be an S or T.

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: It is given that the standard normal random variable Z follows normal distribution with mean 0 and…

Q: One hundred persons were asked, "Do you favour regional integration?". Of the 35 that answered "no"…

A: It is specified that the total number of considered people is 100.The number of people, who answered…

Q: Find the missing value required to create a probability distribution, then find the standard…

A: A probability distribution, the sum of all probabilities should equal 1. In your given probability…

Q: 1. Suppose that X has the gamma distribution with pa- rameters a and B, and c is a positive…

A: Given:The pdf of X is given by:where x>0, and is the gamma function.

Q: 2. The continuous random variables X and Y have known joint probability density function 4x 0≤ y…

Q: suppose that for a sexually active male drosophila fruit fly in a particular genetics lab the…

A: Given that for a sexually active male drosophila fruit fly in a particular genetics lab the…

Q: Use the TI-84 Plus calculator to find the z-score for which the area to its right is 0.36. Round…

A: The question is about z score.Introduction :1 ) If z be the random variable which follows standard…

Q: Starting salaries of 110 college graduates who have taken a statistics course have a mean of $44,966…

A: sample size(n)=110Mean()=44966standard deviation(s)=10302confidence level=99%

Q: A sample of eight retired persons receiving Quebec retirement pension revealed the following monthly…

A: Given that a sample of eight retired persons receiving a Quebec retirement pension revealed the…

Q: (a) Find the smallest interval [a, b] such that of P(a ≤X ≤ b) = 1. (b) Find P(X = 1.6). (c) Find…

Q: A college student is interested in investigating the claim that students who graduate with a…

A: From the provided information,

Q: In statistics question 1 of attached image, is the ANOVA table values correct, and does it show…

A: 1) Given information:n= 18 observation k= 4 independent variables

Q: A population of scores is normally distributed with a standard deviation equal to 7. State (and…

A: Suppose the random variable x defines the scores.The random variable x follows normal distribution…

Q: Researchers conducted a study to determine whether magnets are effective in treating back pain. Pain…

A: The variable of interest is a reduction in pain.There are two independent samples ( treatments)…

Q: You may need to use the appropriate technology to answer this question. The following data are from…

A: Treatmen 1Treatment 2Treatment 363837046715453876146715152785964.676871.33Level of significance

Q: Shania's favorite Starburst is the pink flavor. Shania purchased a container of '318 Starbursts and…

A: It is given that the 4 original falvours are orange, pink, yellow and red.

Q: (If necessary, consult a list of formulas.) (a) The 40th percentile: (b) The 75th percentile: mg dL…

A: It is given that the data set196,228,244,198,242,257,252,232,213,240,222,235,230,225,211,203,206

Q: Drill lifetime: A sample of 50 drills had a mean lifetime of 12.02 holes drilled when drilling a…

A: Provided information:Population standard deviation = 6.36Sample mean = 12.02Sample size, n =…

Q: Kurt Simmons has 25/50/15 auto insurance coverage. One evening he lost control of vehicle, hitting a…

A: Kurt has 25/50/15 auto insurance coverage.Damaged to the parked car is $12400.Damage to the store is…

Q: mean equal to 4.00. Assume that a simple random sample has been selected. Identify the null and…

A: n=99, x=3.84, s=0.55. Use a 0.05

Q: The confidence interval estimate is mi/h << mi/h. (Round to one decimal place as needed.) Does the…

Q: 85 Fingerprint expertise. A study published in Psychological Science (August 2011) tested the…

A: From the given table:Probability that an expert correctly identifies the pair given a matched pair =…

Q: 2.6-4. Suppose an airport metal detector catches a person with metal 99% of the time. That is, it…

A: We have given thathere, probability of success, that is a detector fails to catch a person with…

Q: For a 4-units class like Statistics, students should spend average of 12 hours studying for the…

A: The empirical rule is defined below as follows: Empirical ruleThe Empirical rule for any normal…

Q: You may need to use the appropriate technology to answer this question. The following data are from…

A: Treatmen 1Treatment 2Treatment 363837046715453876146715152785964.676871.33Level of significance

Q: Future scientists: Education professionals refer to science, technology, engineering, and…

A: The question is about approximation.Given :Proportion of freshmen planning to major in STEM…

Q: Is there a significant difference between the STEM students and ABM students in terms of their…

A: After entering the data as given in Excel: Go to Data>Data Analysis>Descriptive…

Q: A cellphone provider has the business objective of wanting to determine the proportion of…

A: Given : n = 500x = 135 = x/n = 135/500 = 0.27

Q: The following data represents car manufacturers' countries of origin. USA USA Czech Rep. Czech Rep.…

A: Hello! Since you have posted 3 different questions, we are answering the first questions. If case…

Q: Do males have a significantly lower mean on the ACT test than females? n st. dev 50 mean Males…

A: t-test is used when population is from normal distribution and population standard deviation is…

Q: If the number of independent variables is 5 and the number of observations is 10, the degrees of…

A: Number of independent variable =5Number of observation=10We have to find the degree of freedom:

Q: The table below shows some data on which countries are major oil produc- ers and which countries…

A: Given 2x2 table is:Civil warNo civil warTotalOil producer71219Non-oil producer5594149

Q: Determine the sample size required to estimate a population mean to within 19 units given that the…

A: It is needed to find the sample size based on the given confidence level, margin of error and…

Q: A new surgical procedure is said to be successful 90% of the time. Suppose the operation is…

A: P=0.90n=5

Q: Once their customer, Apple, receives the boards, they will also randomly test 7% of the boards and…

A: Calculate the probability that a randomly selected board is defective:If more than 15% of the tested…

Q: For a standard normal distribution, determine the following probabilities. a) P(Z > 1.38) b) P(Z >…

A: a)P(z>1.38)

Q: Level 80%, sample size 9. Find the critical value a/2 needed to construct a confidence interval of…

A: n=980% confidence interval

Q: You are given the following distribution of returns: Year Return 2012 40 2013 35…

A: Calculate the mean (μ) of the returns:Mean (μ) = (40 + 35 - 30) / 3 = 45 / 3 = 15Calculate the…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: There are two independent samples which are over the age of 55 and under the age of 25.We have to…

Q: Let Y₁, Y2,..., Y is a random sample from a distribution from Normal distribution with finite mean μ…

A: It is given that the statement about to the normal distribution. Here, need to find out the correct…

Q: Please give solution in correct and step by step detailed format thanku Don't give solution in…

A: The given data is as follows:

Q: A poll is taken in which 396 out of 525 randomly selected voters indicated their preference for a…

A: sample size(n)=525x=396confidence level=80%sample proportion()=

Q: of 14 women with a mean height less than 66.2 inches? enter your response here (Round to four…

A: It is given that Mean, μ = 64.1Std. deviation, σ = 2.6

Q: 69 How do you prefer to get the news? Today, you have numerous options for getting the news: print…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1. Consider the two hypothetical distributions, one if the Ho is true and the other if the H₁ is…

A: The hypothesis is an assumption that is being tested.

Q: Hurricanes Katrina and Rita caused the flooding of large parts of New Orleans, leaving behind large…

A: The sample size is, n=46Let Y denote the ratio of blood lead concentration after the hurricanes to…

Q: The government reports that the average plane arrives 10 minutes late, with a standard deviation of…

A: The given data is as follows:Population mean, Population standard deviation, Sample size, Sample…

Q: What is the critical value if population proportion is 0.08 and alpha = 0.02 for a z test. How do…

A: Population proportion p=0.08

Q: Under what condition is the median a better measure of location than the mean?

A: To, answer the condition when the median is better than the mean.Mean - It is a type of central…

Question

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.1 years, and
standard deviation of 0.7 years.
The 5% of items with the shortest lifespan will last less than how many years?
Give your answer to one decimal place.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Given data :

VIEW

Step 2: Finding no.of years :

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 5 images

SEE SOLUTION Check out a sample Q&A here