It has long been accepted by the general public that normal body temperature is 98.6 degrees. A group of 20 randomlyselected adults was selected and their body temperatures were taken. Of them, 14 had a body temperature of less than98.6, 3 had body temperatures of 98.6 and 3 had body temperatures of more than 98.6 degrees. At a =0.05, test theclaim that the median body temperature is less than 98.6 degrees.A. Determine the test statistic.B. Determine the critical value.C. What is the decision?OReject HoOFail to reject Ho

Answered: Image /qna-images/answer/287f3f4d-011c-4f85-930f-8b795e7af58a.jpg

Answered: It has long been accepted by the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2. For a  = 30, and  = 8, find the z-score for each of the followingscores:A. X = 32 B. X = 26 C. X = 42
I need help on # 3, and 4 please
Historically, Olympic officials have reported testosterone levels in general should be u = 538 ng/dL, with o = 189, with x being normally distributed. Summer Olympic sprinters (n = 8) from the U.S. were tested for testosterone levels the morning after the opening ceremonies. Their sample mean was ng/dL. Do these data indicate that the sprinters had an overall average testosterone level greater than 538? Use a = .05. State a, H,, H1, p-value, rejection, or non-rejection, and be certain to interpret your results.
A sample has a mean of M = 30. If one person with a score of X = 35 is removed from the sample, what effect will it have on the sample mean? Lütfen birini seçin: A. Cannot be determined from the information given B. The sample mean will decrease. C. The sample mean will increase. D. The sample mean will remain the same.
When determining which is significant for part a -make sure to include df, p value (greater than or less than .05), and t statistic
A sample of 1000 observations taken from population-1 gave x, =290 . Another sample of size 1200 taken from population-2 yielded x,=396. Find the sample pooled proportion. A. 0.6882 B. 0.2146 C. 0.3118 D. 0.0957
Find the score that 75% of students will exceed. Consider the NAEP scores which are approximately normal N(288,38). 75% of the students will score above x on this exam. Find x.
Refer to the figure at the right. At a= 0.10, can you reject the claim that the proportion of 18 to 24-year-olds living in their parents' homes in 2000 was the same for men and women? Assume the survey included a random sample of 270 men and 278 women. Percentage of 18- to 24-year olds living in parents' homes 70, 60.4% 45% 54.6% 50.3% 2000 2012 Men Women Identify the null and alternative hypotheses. Choose the correct answer below. O B. Ho: P, * P2 Ha: P1 = P2 OD. Ho: P1 > P2 YA. Ho: P1 = P2 H3: P, * P2 OC. Ho: P, P2 Ha: P, SP2 Find the critical value(s). The critical value(s) is(are). (Round to two decimal places as needed. Use a comma to separate answers as needed.)
Random samples of students at 107 four-year colleges were interviewed several times since 1998. Of the students who reported drinking alcohol, the percentage who reported bingeing at least three times within the past two weeks was 41.1% of 336 students in 1998 and 21.6% of 843 students in 2004. a. Estimate the difference between the proportions in 2004 and 1998, and interpret. b. Find the standard error for this difference. Interpret it. c. Define the two relevant population parameters to compare in the context of this exercise. d. Construct and interpret a 90% confidence interval to estimate the true difference. e. State the assumptions for the confidence interval in part d to be valid. ... A. The number of students in the population in 2004 who reported drinking alcohol that binged at least three times within the past two weeks. B. The proportion of the student population in 1998 who reported drinking alcohol that binged at least three times within the past two weeks. C. The number…
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 32 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01.
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 38 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01. a) Estimate the P-value. choose one: P-value > 0.2500. 100 < P-value < 0.250 0.050 < P-value < 0.1000. 010 < P-value < 0.050 P-value < 0.010 b) Sketch the sampling distribution and show the area corresponding to the P-value.…
For a population with u = 62 and o = 12, find the X value that corresponds to each of the following z-scores. Z = -0.25 Z = -1.50 z = 0.50 Z = 2.00

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