A quality control expert at a local dairy claims that its cartoons contain more than 64oz of milk a sample of 15 cartoons reveals a mean of 65 and 1.1 oxs respectively. At the 1% level, does the appropriate hypothesis support his claim? find and interpret the p value

Q: test the performance of filling machines. The machine is designed to discharge a mean of 100 gr of…

A: As the population standard deviation is not known, we will use t distribution. The following null…

Q: Suppose testing has been done for a chemical in the local water with readings of 3.1, 5.2, 1.2, 5.1,…

A: x x2 3.1 9.61 5.2 27.04 1.2 1.44 5.1 26.01 4.9 24.01 2.3 5.29 6.1 37.21 1.4 1.96…

Q: Given the following measurements from a normal distribution: 8.6, 16.7, 18.5, 11.7, 9.7 a) Use the…

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Q: The weight of a package delivered by a courier company is normally distributed with mean 2.5 kg and…

A:

Q: The sales rep of a waterbed claims that 25% of the Filipino died because of cardiovascular diseases.…

A:

Q: Recall that small effects may be statistically significant if the samples are large. A study of…

A: Sample sizes n1=104 , n2=46 Favorable cases x1=13 , x2=8 NOTE:- According to bartleby guidelines…

Q: A pharmaceutical company produces pills of dose level of 40 mg. To maintain the quality control, the…

A: Given information Hypothesized mean µ = 40 mg Standard deviation σ = 0.4 mg Sample mean x-bar = 39.5…

Q: Use the pulse rates in beats per minute​ (bpm) of a random sample of adult females listed in the…

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Q: The mean body mass index (BMI) in patients free of diabetes was reported as 28.2. An investigator…

A: The appropriate Null and Alternative Hypotheses are given below: From the given information, the…

Q: Use the pulse rates in beats per minute​ (bpm) of a random sample of adult females listed in the…

A: The random variable pulse rate follows normal distribution. We have to test whether the mean pulse…

Q: A person is interested in studying the amount of time (in minutes) people spend on social media in…

A: Given, A person is interested in studying the amount of time (in minutes) people spend on social…

Q: Do cars get better gas mileage on the highway? The table shows the mileage per gallon of cars on…

A: Given that, Sample size n=8 The difference between two paired samples is calculated using formula…

Q: The standard deviation of math test scores at one high school is 16.1. A teacher claims that the…

A: Solution To find p value we will use chi square distribution.

Q: The manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and…

A: For 10 sampled women (i.e., the sample size, n=10) the number of fine lines and wrinkles before and…

Q: Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of…

A: Given,x=98.9y=100.6r=0.869and given equation is y^=17.71+0.84x

Q: Below is a sample of men’s shoe size and height. At 5% level of significance, is there a…

A: Introduction: The coefficient of determination, R2, gives the proportion or percentage of variation…

Q: Two types of valves are being tested to determine if there is a difference in pressure tolerances.…

A: The objective of this question is to determine if there is a significant difference in the pressure…

Q: A grocery store owner claims that the mean amount spent per checkout is more than $85. A test is…

A: Introduction: Denote m as the true mean amount spent per checkout. The null and alternative…

Q: Humerus bones from the same species of animal tend to have approximately the same length-to-width…

A: In the field of paleontology, humerus bones from the same species of animal are known to have…

Q: Below is a sample of men’s shoe size and height. At 5% level of significance, is there a…

A: Using r software we find solution for given problem.

Q: The US Department of Energy reported that 47% of homes were heated by natural gas. A random sample…

A:

Q: Consider a dataset containing the heights of 38 females who said they prefer to sit in the front of…

A: Type I Error: α=Preject H0|H0 is truth Type II Error: β=Preject Ha|Ha is true   1-α=PFaild to reject…

Q: The Sydney Airport Commission set a performance target of 24 minutes for the time taken for…

A: Given Information Sample mean x̅  Hypothesized mean = 24 minutes Population standard deviation σ…

Q: A researcher wants to examine how a new intervention helps children learn to read. A random sample…

A: In the provided information, the one sample t-test will be used for measurement because it is used…

Q: The Sydney Airport Commission set a performance target of 25 minutes for the time taken for…

A: Given Data: n=200 P-value=0.5   As we know that, P(z<0)=0.5 P(t<0)=0.5   Therefore p-value of…

Q: Do cars get better gas mileage on the highway? The table shows the mileage per gallon of cars on…

A: Given, the mileage per gallon of cars on city streets and the mileage per gallon of cars on the…

Q: Groups of non-smokers who were not exposed to smoke and non-smokers who were exposed to secondhand…

A: (1)   State the hypotheses.   That is, there is no evidence to conclude that non-smokers exposed to…

Q: A researcher wants to know whether athletic men are more flexible than nonathletic men. For this…

A: The given sample size for athletic men is 50, sample mean is 4.3, sample standard deviation is 2.1,…

Q: A random sample of 11 adults is obtained, and each person’s red blood cell count (in cells per…

A: Given: Hypothesized mean μ=4.7 X= The red blood cell count (in cells per microliter) Sample mean…

Q: Based on long-term observations, the litter size of Bengal tigers in the wild has the distribution…

A: Therefore, the appropriate null and alternative hypotheses are stated below: Null hypothesis: H0:…

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are not…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is μ=18.00 Mbps.…

A: Given information Hypothesized mean µ = 18.00 Mbps Sample size (n) = 24 The value of test…

Q: According to the Energy Information Administration (official energy statistics from the U.S.…

A: Mean()=3.16standard deviation()=0.90sample size(n)=30significance level()=0.01

Q: The manufacturer of a new eye cream claims that the cream reduces the appearance of fine lines and…

A: According to the given information in this question We need to apply paired t test

Q: A food delivery company making a large number of deliveries would like to keep their costs down; the…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: proportion of bats with a wingspan greater than 10 inches living outside the region is different…

A: n = 80 Sample proportion = 20/80 = 0.25

Q: n a random sample of​ males, it was found that 28 write with their left hands and 208 do not. In a…

A: given data for male:x1=28n1=208for female :X2=74n2=459α=0.01claim:the rate of​ left-handedness among…

Q: A researcher wants to know if athletic women are more flexible than non-athletic women. For this…

A: From the provided information,

Q: Students at a major university are complaining of a serious housing crunch. Many of the university’s…

A: A. Suppose X is a random variable with expectation, μ and standard deviation, σ. Then, for any…

Q: According to a survey conducted by the Association for Dressings and Sauces, 20% of American adults…

A: Given: A survey is conducted by the Association for Dressings and Sauces. Let n denote the sample…