Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given information for the following:  a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject h0). b. Without using technical terms or symbols, state a final conclusion that addresses the original claim. Original claim: Fewer than 90% of adults have a cell phone. The hypothesis test results in a p-value of 0.0003.

Q: Test the claim that the proportion of people who own cats is significantly different than 80% at the…

A: In order to determine whether the proportion of people who owns cat is significantly different from…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: As per the given information, the original claim is " Less than 45% of adults would erase all of…

Q: Assume a significance level of a=0.05 and use the given information to state the conclusion.…

A: Given P-value = 0.158

Q: A claim is given. Select the corresponding null hypothesis and using a significance level of α =…

A: It is given that, the claim is the majority of Americans make their beds each morning.

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A:

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A: A hypothesis is said to be left tailed, if the population parameter is less than some hypothesized…

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A:

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.05…

A: Claim : Proportion of people who own cats is larger than 20% = 0.2 Sample size is n = 300 Sample…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: p=51%, p value=0.1687, level of significance ɑ=0.05

Q: Test the claim that the proportion of people who own cats is significantly different than 20% at the…

A: The given data is as follows:Significance level, Sample size,  Sample proportion,

Q: Marketers believe that 65.08% of adults in the U.S. own a cell phone. A cell phone manufacturer…

A: Since the manufacturer believes that the proportion is different than 0.6508 means that the…

Q: Suppose that in a random selection of 100 colored candies, 28% of them are blue. The candy company…

A: Suppose p is the true population proportion of blue candies.

Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.025…

A: Solution: The given claim is that the proportion of people who own cats is smaller than 90%.

Q: Find the value of the standard score, z, and determine whether the alternative hypothesis is…

A: Given that, The null and alternative hypothesis H0: μ = 18.7 Ha: μ ≠ 18.7 (claim) n = 11 x̅ = 20.5 σ…

Q: Assume a significance level of α=0.05 and use the given information to complete parts​ (a) and​ (b)…

A: The population follows normal distribution. The claim is More than 53​% of adults would erase all of…

Q: Test the claim that the proportion of people who own cats is larger than 50% at the 0.05…

A:

Q: Hypothesis Test: Perform the specified hypothesis test. Be sure to include your statistical and…

A: Given information: Data (x) 0.065 0.087 0.07 0.262 0.126 0.183 0.12 0.234 0.313…

Q: n a study of the accuracy of fast food​ drive-through orders, one restaurant had 36 orders that were…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks The following…

Q: Assume a significance level of α=0.05 and use the given information to complete parts​ (a) and​ (b)…

A: From the provided information, Level of significance (α) = 0.05 The hypotheses can be constructed…

Q: Past studies have indicated that the percentage of smokers is estimated to be about 35%. Given the…

A: We have find null and Alternate hypothesis...

Q: A 2020 poll in the Bahamas surveyed 2,400 people about taxing sweetened beverages. The results are…

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Q: Select the correct answer below:   Reject H0. At the 1% significance level, the test results…

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Q: State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho.) Choose the correct…

A: P-value =0.067Level of significance =0.05

Q: State your decision to the significance test in terms of the null hypothesis.According to a recent…

A: The given test claims that the percentage of people in New York who would vote for the incumbent…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A:

Q: e the given information to complete parts​ (a) and​ (b) below.   Original​ claim: More than 54​% of…

A: The hypothesis regarding the population proportion will be: H0:p=0.54H1: p > 0.54

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A:

Q: Since an instant replay system for tennis was introduced at a major tournament, men challenged 1427…

A: Hello. Since your question has multiple sub-parts, we will solve first four sub-parts for you. If…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 36 orders that were…

A: From the provided information, Sample size (n) = 346 From which 36 orders were not accurate. Sample…

Q: A random sample of 170 donations at a certain blood bank reveals that 84 were Type A blood. Does…

A:

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: Given : The hypothesis of the proportion of men owns a cat is less than the proportion of women who…

Q: Test the claim that the proportion of people who own cats is significantly different than 30% at the…

A: Z= p^-pp(1-p)n

Q: est the claim that the proportion of people who own cats is significantly different than 20% at the…

A:

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A:

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A:

Q: adults whether they believed that people should pay sales tax on items purchased over the internet.…

A: Let n denote the number of U.S. adults whether they believed that people should pay sales tax on…

Q: A medical equipment manufacturer believes that the proportion of faulty blood pressure monitors is…

A: The null and alternative hypothesis are H0: p = 0.11 H1: p < 0.11  p-value = 0.01

Q: Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given…

A: a)Here, the test claims that most adults would erase all of their personal information online.The…

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A: Hypothesized population proportion, Sample size, Number of babies having weight above 7 pounds,…

Q: Past studies have indicated that the percentage of smokers is estimated to be about 35%. Given the…

A: a) From the given information, the claim of the problem is the percentage of smokers has reduced.…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.