A random sample of 36 items gave a sample mean of 48 and a standard deviation of 12. Compute the p-value to test whether or not the population mean is equal to 50

Q: The scores of 15 students in a math test are given below: 43 37 59 71 56 62 45 65 51 50 32 58 45 62…

A: Given data is43,37,59,71,56,62,45,65,51,50,32,58,45,62,76sample size(n)=15

Q: Scores in a particular Mathematics test are normally distributed with mean of 175 and standard…

A: given datanormal distributionμ=175σ=20p(105<x<180) = ?

Q: By how many times does the sample size have to be increased to decrease the margin of error by a…

A: Given that By how many times does the sample size have to be increased to decrease the margin of…

Q: Int the following table, the median value would be: 1 2 3 4 35 1579 2468 56

A: convert stem-leaf plot to raw data, 13, 15, 21, 25, 27, 29, 32, 34, 36, 38, 45, 46 sample size,…

Q: GIVEN THE WEIGHTS OF FIVE PERSONS 120,145,156,160 AND 190 IBS A) FIND THE VARIANCE B) FIND THE…

A: From the provided information, The data values are as follow: 120, 145, 156, 160 and 190 IBS Sample…

Q: The number of firings in the last 12 months across boarder were 252, 244, 254, 246, 341, 227, 241,…

A: Given: x=252,244,254,246,341,227,241,271,277,238,232,292 Ordered data :  227 232 238 241 244 246 252…

Q: Below are data from a case-control study about the risk of stroke related to the "exposure" of…

A: The below data represents the case-control study about the risk of stroke related to the "exposure"…

Q: Data on alcohol content and wine quality was collected from variants of a particular wine. From a…

A: From the given information, X be the Alcohol content and y be the wine quality. The sample of 30…

Q: Holiday spending for a sample of 25 consumers: 1200 450 1780 800 850 890 180 1090 740 260 850 510…

A: Given:   1200 450 1780 800 1450 850 890 180 1090 280 740 260 850 510…

Q: Customers at a grocery store were surveyed to see which section they purchased the most items from…

A: First we complete the above table,   Basket Shopping Cart Total Produce 15 60-20-12= 28 15+28=…

Q: TEMASCAL 10 12 17 Format Painter A1 Font 144 >> Sheet1 Sheet2 Sheet3 Ready For a distribution, the…

A:

Q: Of 1232 people who came into a blood bank to give​ blood, 397 people had high blood pressure.…

A: GivenTotal no.of people = 1232No.of people have high blood pressure=397

Q: h d. P (3< X < 4) = e. P(X < 7) = 00 SAMSUNG SUBMIT QUESTION SAVE PROGRESS

A:

Q: K Suppose a life insurance company sells a $220,000 1-year term life insurance policy to a…

A:

Q: A common characterization of obese individuals is that their body mass index is at least 30…

A: From given data we have : n=266+158+121=545 Number of individuals in the sample with BMI 30 or more…

Q: According to the records of a soft drink company, the bottles for their one-liter-sized products…

A: According to the given information in this question We need to find the given probability

Q: erence the F table.)   Razor   Blazer   Tracer   11       11       9     10       9       9     8…

A:

Q: A store manager kept track of the number of newspapers sold each week over a​ seven-week period. The…

A: Given that , number of newspaper sold in a week  81  71 202 113 269 248 242       Find the median…

Q: You conduct an experiment in which randomly selected young women are solicited in the street by a…

A: The objective is to validate if women's decision is influenced by the man's wearing. For this, the…

Q: For a standardized psychology examination intended for psychology majors, the historical data show…

A: Given: Mean μ = 500 Standard deviation σ = 170 Sample size n = 40 Sample mean X = 526 Formula used:…

Q: Which of the following statements is true?I. The standard error is computed solely from sample…

A: Standard error of any Statistic is standard deviation of it's sampling distribution. That means the…

Q: Anya gathered a random sample of chips from a popular company. She calculated data on different…

A: From the given information we find the correct option.

Q: 120 100 80 Cumulative Frequency 60 40 20 Cumulative Frequency Polygon to show birth weight of 120…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Assume that different groups of couples use a particular method of gender sele increase the…

A: The question is about discrete prob. distribution Given : Prob. of a girl ( p ) = 0.5 No. of couples…

Q: In statistics, what is a Confidence Interval and how confidence intervals are used in research

A: We have define the confidence interval . Also we have find the its use in the research

Q: For the following set of scores, fill in the cells.  The mean is 74.13 and the standard deviation is…

A: Given: Meanμ=74.13Standard deviation(σ)=9.98 Z score: z=x-μσ

Q: According to a report, 67.3% of murders are committed with a firearm. (a) If 100 murders are…

A:

Q: A doctor wants to estimate the mean HDL cholesterol of all​ 20- to​ 29-year-old females. How many…

A: given data E = 499% confidence interval s = σ = 15.3 Suppose the doctor would be content with 90%…

Q: b. A person grabs 3 wash cloths. Since they take 3, it is without replacement.

A: 5 - bath towels 9 - wash towels 4 - hand towels 2 - beach towels __________________ 20 - total

Q: During the past six months, a purchasing agent placed the following three orders for coal: Tons of…

A: According to the given information in this question We need to find weighted mean

Q: How can p<.05 be interpreted

A: Given that  p&lt;.05 Level of significance =0.05.

Q: Z= 123 - 105 / 15  Second Part is a fraction. This is statistics to find the normal curve, please…

A:

Q: If SSR = 57 and SST = 76, compute the coefficient of determination, 2, and interpret its meaning. 2…

A: given dataSSR = 57SST = 76coefficient of determination,  r2=?

Q: The World Health Organization's (W.H.O.) recommended daily minimum of calories is 2600 per…

A: given data  W.H.O. minimum calories = 2600 μ = 2460σ = 500n = 49P(x¯ &gt;2600) = ?

Q: 3. State or specify the null and alternative hypotheses in the following (use complete statements,…

A: The answer is attached below.

Q: Suppose that Y; Y₂; Yn is random Sample from a population with probability density Function find the…

A:

Q: Compound Interest. Use the compound interest formula to compute the balance in each account after…

A: The given principle amount is $5000, APR is 4% and 10 years.

Q: The worldwide market share for a web browser was 20.4% in a recent month. Suppose that a sample of…

A: Solution: From the given data, Population proportion (P or π) = 20.4% = 0.204 Sample size (n) = 100…

Q: investor has found that company1 have an expected return on E(X) = 4% and variance for the return…

A: Given R= 0.4X +0.6Y  Find E(R) and V(R)=?

Q: Thirty percent of the students in a class of 100 are planning to go to graduate school. The Variance…

A: Answer: From the given data, Sample size (n) = 100 P(students planning to go to graduate school) = P…

Q: Suppose that scores on a particular test are normally distributed with a mean of 120 and a standard…

A:

Q: Time(min)      # of students  10-19                  8  20-29                 15  30-39…

A: class f x f*x cf 10-19 8 14.5 116 8 20-29 15 24.5 367.5 23 30-39 22 34.5 759 45 40-49 18…

Q: scores of 40 students are listed below. Find P85.   30 35 43 44 47 48 54 55 56 57     59 62 63 65 66…

A: Given that  Arranging Observations in the ascending order, We get…

Q: calculate the coefficient of range separetely for the two set of data given below setl:…

A: Answer: From the given data, set1: 7,5,2,11,16,9,15,18 set2: 24,15,16,29,35,43,55,65

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given,n=972and X=577α=1-0.99=0.01α2=0.005Z0.005=2.576

Q: If the third order difference are constant, prove that f²u_dx = ¹/(U_1/2 + 23U₁/2 + 23U3/2 + U5/2)…

A:

Q: High School Competency Test A mandatory competency test for high school sophomores has a normal…

A: GivenMean(μ)=380standard deviation(σ)=81

Q: Find the mean and standard deviation for the given sample data: 5.8.7.6.9

A: Answer: Given sample data is, 5,8,7,6,9 Sample size (n) = 5 The mean and standard deviation are:

Q: The manager of a small post office is concerned that the growing township is overloading the…

A: Given the following data customers arrives for the service. we need to find Average customer waiting…

Q: In a poll of 520 human resource professionals, 45.6% said that body piercings and tattoos were big…

A: (a) The information provided in the question are as follows : p̂ = 45.6% n = 520 We know that…