Calvin thinks a certain potato chip maker is putting less product in their personal-sized bags of chips. In the past, these bags contained one ounce of product. Calvin conducted a test ofHe: 1vs. Hμ< 1. From a random sample of 8 bags of potato chips he calculated a p-value of 0.104 for the sample.(a) At a 5% level of significance, is there evidence that Calvin is correct? (Type Yes or No):(b) At a 10% level of significance, is there evidence that he is correct? (Type Yes or No):

We know that the decision rule about p-value is:If p-value is less than the given level of…

Answered: Calvin thinks a certain potato chip…

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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May is interested in purchasing the local hardware store in her hometown. After examining the store accounts for the past two years, she found that the store had been earning a gross amount of over $850 per day for 70% of the business days it was open. A random sample of n = 20 business days is selected from the last two years. Let X represent the number of days where the store earned over $850 gross. 1. If the value of p was 0.6, calculate P(X < 6) for a sample of n = 20. 2. Suggest a value of p that might mean that May would not have been surprised to find the store grossed over $850 for fewer than 6 business days, briefly explaining your answer.
In a test of H0:μ = 100 against H1:μ>100, a sample of size 80 producers z= 0.8 for the value of the test statistic. The P-value of the test is equal to?
Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 229 women, r1 = 51 responded yes. Another random sample of n2 = 179 men showed that r2 = 51 responded yes. Does this information indicate a difference (either way) between the population proportion of women and the population proportion of men who favor spending more federal tax dollars on the arts? Use α = 0.05. (a) What is the level of significance? What is the value of the sample test statistic? (Test the difference p1 − p2. Do not use rounded values. Round your final answer to two decimal places.)(c) Find (or estimate) the P-value. (Round your answer to four decimal places.)
Calvin thinks a certain potato chip maker is putting fewer chips in their regular bags of chips. From a random sample of 13 bags of potato chips he calculated a P value of 0.048 for the sample. (a) At a 5% level of significance, is there evidence that Calvin is correct? (Type: Yes or No): equation editor (b) At a 10% level of significance, is there evidence that he is correct? (Type: Yes or No): equation editor (c) In a statistical test of hypotheses, we say that the data are statistically significant at level α� ifA. the P - value is larger than α�.B. α� is small.C. α=0.05�=0.05.D. the P - value is less than α�.
A medical researcher is interested in determining if there is a relationship between adults over 50 who exercise regularly and levels of blood pressure. A random sample of 236 adults over 50 is selected and the results are given below. Calculate the test statistic to test the claim that regular exercise and blood pressure are independent. Use α = 0.01.
You are doing a T-test and get a Standardized Test Statistic (STS) of T = 0.9, with d. f. = 23. Round answers to 4 decimals. Find the P-value for a: a. right tailed test : b. left tailed test : a. two tailed test : Submit Question 13 MacBook Air esc 00 F3 600 O00 F4 F1 F2 F5 %23 2 tab R. # 3
A financial analyst of Woolworths is interested in the average number of months that it takes customers to pay off their account debt. He claims that the average number of months it takes is less than four. He takes a sample of fifty customers and records the number of months it takes each customer to pay off his debt. Suppose that the test statistic value to test this claim is calculated as -0.34, determine the p-value.
Answer all sub parts otherwise I will dislike
The sodium content of 30 packages of 300 grams of corn flakes of a certain brand was examined. The data in milligrams: the mean is 129.753 and s = 0.929: (a) Can the assertion that the sodium content of this brand of cereal is different from 130 mg be supported? Use = 0.5, find the p-value. b) Calculate the power of the test if the true average sodium is 130.5 mg. c) What sample size would be required to detect a true average sodium content of 130.1 if we want the power to be at least 0.75? Note:The exercise in the image is in Spanish, which is the original, to make it easier to understand.
Does training in stress reduction make a difference for student success? 15 students received training (M1= 88, SS1= 400) and 15 students did not (M2= 82, SS2= 440). Test using α = .05 What type of error could you be making?
In a sample of 47 adults randomly selected from one town, it is found that 9 of them have been exposed to a particular strain of the flu. Find the P-value for a test of the claim that the proportion of all adults in the town that have been exposed to this strain of the flu is 8%. a. 0.005 O b. 0.05 OC. 0.002 O d. 0.08
find the value represented by z-score of 2.043, given u=63 and o=4.25

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