A test was given to a statistics class. Results for each gender and for one student in each gender are given. From the information provided, determine which student received a relatively higher grade. The female scored a 78 with μ=84 and σ=3. The male scored a 80 with μ=86 and σ=2.

Q: If a limited amount of federal funds have been allocated to assist jurisdictions whose "percent of…

A: The dataset can be stored in Excel in form of table as follows: Save this file named DataSet.xlsx…

Q: A description of different houses for sale includes the square footage of the house, whether or not…

A: The variable that can be classified into different categories is referred to as a categorical…

Q: The waiting times for the drive-through at McDonald's are normally distributed with a mean of 138.5…

A: Population mean =138.5  Standard deviation =29  We have to find  a...The middle 95% of cars in the…

Q: Express the confidence interval (0.084,0.126) in the form of p-E<p<p+E. <p< (Type integers or…

A: confidence interval for p : (0.084,0.126)express ci in form of p^-E&lt;p&lt;p^+E

Q: A researcher conducted a goodness-of-fit test by using categorical data. Her data consists of 8…

A: The null and alternative hypotheses are: H0:The data occur in each category with the same frequency.…

Q: Giving a test to a group of students, the grades and gender are summarized below A B 14 C 5 Male 12…

A: The grades of students and gender are summarised as follows:   A B C Total Male 12 14 5 31…

Q: 2. The following is a scatter plot of data collected for a study. The researcher wants to fit a…

A: A scatterplot is given.

Q: i) Show that (Hint: Use the CLT for Xn Xį ~ Poi(1)). n Σ k=0 1 Xi, where X₁ are i.i.d. random…

A: We have to prove the following statement: limn→∞e-n∑k=0nnk/k!=0.5

Q: The lifetime of a microprocessor is exponentially distributed with a mean 3000 hours. What…

A: The lifetime of a microprocessor is exponentially distributed with a mean 3000. A random variable…

Q: QUESTION 1. VOTER PARTICIPATION AND LOYALTY. Fill the chart below and determine which candidate wins…

A: The following table is given with data of total voters among Democrats, Republicans and Independents…

Q: State whether the standardized test statistic z indicates that you should reject the null…

A: a) The critical value is z0 = 1.645.

Q: One study indicates that the number of televisions that American households have is distributed as…

A: Here the given information, i.e,     Sample size = n = 544

Q: A manufacturer of halogen bulbs knows that 3% of the production of their 100 W bulbs will be…

A: p=0.03 sample size(n)=144

Q: Construct hypotheses based on a given observation and determine if a given scenario is using…

A: There are two ponds on Kelly's farm. A pesticide is sprayed around one pond to get rid of ants.…

Q: What is the probability that exactly five are registered on a pass/fail basis?                I.…

A: A small college in Pennsylvania reports that 15% of their students take their general education…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let X denote the IQ scores and it follows normal distribution with  mean of μ=100 and standard…

Q: A test is made of H0 : ȝ = 44 versus H1 : ȝ > 44. A sample of size n = 80 is drawn, and x = 45. The…

A: It is given that  Mean(μ) = 44 Sample mean(x̅) = 45 Standard deviation(σ) = 25 Sample size(n) = 80

Q: An insurance company has the business objective of reducing the amount of time it takes to approve…

A: Let us assume the samples are taken randomly Let us assume the sample taken from the population…

Q: (a) P(x ≥ 12 orx< 10) = (b) P(x=9)= (c) P(9 ≤x<11) =

A: here given discrete probability distribution of random variable x . x p(x) 9 0.1 10 0.1 11…

Q: A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus…

A: Answer: From the given data, X = 214    and    n = 226 Significance level (α) = 0.01 The manufacture…

Q: Calculate the conditional distribution of Facebook use for each campus setting.

A: The Pennsylvania State University has its main campus in the town of State College and more than 20…

Q: An elevator has a placard stating that the maximum capacity is 1384 lb-8 passengers. So, 8 adult…

A: Mean(μ)=180 standard deviation(σ)=29 sample size(n)=8

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

A: normal distributionμ = 105σ = 15P(86&lt;x&lt;124) = ?

Q: Suppose thirty-nine communities have an average of x = 122.1 reported cases of larceny per year.…

A: The sample size is 39, the sample mean is 122.1 and the population standard deviation is 37.4.

Q: Find the mode of the following data 83,37,73,63,63,12,84,84,61,31

A: 83, 37, 73, 63, 63, 12,  84, 84,  61, 31

Q: We wish to estimate what proportion of adult residents in a certain county are parents. Out of 600…

A: The sample size, i.e., the sampled no. of residents, n=600. The no. of sampled adult residents, who…

Q: Mackenzie invested $770 in an account paying an interest rate of 6.1% compounded continuously.…

A: we have given that  Amount of money (A) = $1830 Principal amount (P) = $770 rate of interest (r) =…

Q: You want to find out whether caffeine mitigates the effect of alcohol on motor control. To study…

A: Motor control is measured in terms of the number of feet the car moves from the center of the…

Q: Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o 16 days.…

A: Answer:- Given, The lengths of human pregnancies are normally distributed with μ = 266 days and σ =…

Q: A survey asked 827 randomly sampled registered voters in California to select a response best…

A: For the above analysis: Null hypothesis: There is no difference in support of drilling b/w those who…

Q: The heights of 18-year-old men are approximately normally distributed with mean 68 inches and…

A: The random variable X is the heights of 18-year men It is normally distributed. The mean is 68…

Q: Based on the below pearson correlation analysis, discuss the relationships between age, political…

A: It is required to discuss the relationship among the three variables, using Pearson’s correlation…

Q: A group of students at a high school took a standardized test. The number of students who passed or…

A: The contingency table related to gender and the number of passed and failed students is given.

Q: Forecasting Q5 / Measures of Error Period 1 2345 4 5 6 7 8 9 Actual 26 7 12 20 27 14 10 27 27…

A: The question is about forecasting Given :   To find : Value of MAPE

Q: 3.1 An experiment consists of tossing a fair coin 5 times. (a) Find the probability mass and…

A: As per policy I have calculated first  main question plz REPOST for remaining question.  Here given…

Q: (a) Compute P(E' n F'). (b) Are E and F independent? (c) Are E and F mutually exclusive?

A: here p(E) = 0.3 p(F) = 0.6  p(E | F) = 1/6

Q: if the observed value is greater than 9. (a) What is the probability of committing a Type I error?…

A:

Q: 1. A random sample of 400 people was taken. 215 of the people in the sample favored Candidate A. We…

A: n=400 x=215

Q: The following is data for the first and second Quiz scores for 8 students in a class. First Quiz…

A: First quiz, Q1 Second quiz, Q2 11 11 12 13 13 12 16 13 19 18 22 19 26 23 30 25

Q: The data in the table to the right are based on the results of a survey comparing the commute ime of…

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

Q: The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: A random survey of 85 death row inmates revealed that the mean length of time on death row is 17.8…

A: Answer: From the given data, Sample size (n) = 85 Sample mean x = 17.8 years Sample standard…

Q: A researcher expects that the number of people (18 years and older) who report binge drinking in the…

A: The hypothesized value of population proportion is p=0.25 i.e., proportion of people binge drinking…

Q: My daughter loves to do art projects for her friends and family with the many art supplies she has.…

A: My daughter loves to do art projects for her friends and family with the many art supplies. Suppose…

Q: What is the confidence interval estimate of the population mean μ? °F<μ<°F (Round to three decimal…

A: A data set includes 103 body temperatures of healthy adult humans having a mean of 98.3°F and a…

Q: A survey asked 1578 US residents: "Do you think the use of marijuana should be made legal, or not?".…

A: A survey of 1578 residents asked "Do you think the use of marijuana should be made legal, or not?"…

Q: The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes and…

A: The following data are body mass index (BMI) scores measured in 12 patients who are free of diabetes…

Q: Use technology and a t-test to test the claim about the population mean at the given level of…

A: Let μ be the population mean. Given that,  μ=78x¯=79.3s=3.6n=28α=0.01

Q: Please no written by hand solution and no img . Pairs of hypotheses about a claim (a statistic of…

A: The question is about hypo. testing   Introduction : 1 ) If claim / research statement has ≥, ≤ or =…

Q: The following data, drawn from a normal population, are the waiting times (in minutes) of 12…

A: Answer  Given  X               X^2 1.8           3.24 2.4           5.76 2.7           7.29 2.1…