In response to concerns about nutritional contents of fast foods, McDonald’s has announced that it will use anew cooking oil for its french fries that will decrease substantially trans fatty acid levels and increase the amount of more beneficial polyunsaturated fat. The company claims that 97 out of 100 people cannot detect a difference in taste between the new and old oils. Assuming that this figure is correct (as a long-run proportion),what is the approximate probability that in a random sample of 1000 individuals who have purchased fries at McDonald’s,a. At least 40 can taste the difference between the two oils?b. At most 5% can taste the difference between the two oils?

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: In hypothesis testing, we start by stating the null hypothesis (H0) and the alternative hypothesis…

Q: Annie is concerned over a report that "a woman over age 40 has a better chance of being killed by a…

A:

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: From the provided information,Sample size (n) = 128Sample mean (x̄) = 10745Population standard…

Q: curious

A: This is a dependent paired 't-test.  sample size (n) = 16 The Null and alternative hypothesis Ho :…

Q: Annie is concerned over a report that "a woman over age 40 has a better chance of being killed by a…

A: Assume that p is the population proportion of getting married for a never-previously-wed,…

Q: what happens If the Levene's test is statistically significant?

A: Levene's test is an inferential measure used in statistics to determine the equality of variances…

Q: women, 2222 report now being married. Does this evidence support Annie’s claim, at the 0.020.02…

A: p=3.1%=0.031n=494,X=22

Q: Test of p = 0.1 vs p * 0.1 Sample Z-Value P-value 0.0027 Sample 95% CI (0.113, 0.267) 19 100 3.00…

A: We have given that  P-value = 0.0027 Significance level = 5% = 0.05

Q: The senior vice president for marketing at Kean Hotel believes that the company’s recentadvertising…

A: Given data and calculation for mean and standard deviation is shown below- Calculate mean using…

Q: If the test statistic has a very large negative value, what does that indicate?

A: Solution: As per the guidelines only first question should be answered if multiple questions are…

Q: The National Academy of Science reported that 31% of research in mathematics is published by US…

A: Given : Hypothesized proportion : p0=0.31 Claim : Proportion is different from 0.31 . Sample size :…

Q: significance? Step 2 of 3: Compute the value of the test statistic. Round your answer to two decimal…

A: It is given thatPopulation mean, μ=10941Sample mean, x¯=11425Population standard deviation,…

Q: As part of its freshman orientation process, a college gives a math placement exam to incoming…

A: Step-by-step procedure to obtain the test statistic using Ti83 calculator. Press STAT. Select Edit.…

Q: 2.Suppose that a recent study found that farmers exposed to heavy amounts of Roundup (a chemical…

A:

Q: A sociologist is studying the age of the population in Blue Valley. Ten years ago, the population…

A: From the provided information, i) The level of significance (α) = 0.01 The hypotheses can be…

Q: Annie is concerned over a report that "a woman over age 40 has a better chance of being killed by a…

A: According to the given information in this question We need to find the conclusion of the test

Q: The National Academy of Science reported that 37% of research in mathematics is published by US…

A:

Q: less than 0.62 at the a-.10 level of significance. x e following X + tleby.com/questions-a... Q✰ □:…

A:

Q: A sociologist is studying the age of the population in Blue Valley. Ten years ago, the population…

A: Part 2 The chi-square test statistic and p-value can be calculated using Minitab as: Step 1: Open…

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A:

Q: a study of 420,091 cell phone users, 129 subjects developed cancer of the brain or nervous system.…

A:

Q: Rothamsted Experimental Station (England) has studied wheat production since 1852. Each year, many…

A: The sample variance for the first plot can be verified by excel formula: Enter the data in to excel…

Q: 26 15 10 40 10 20 30 36 40 0 5 10 20 32 16 12 40 36 10 0     0.1314…

A: Given data : 0, 0, 5, 10, 10, 10, 10, 12, 15, 16, 20, 20, 26, 30, 32, 36, 36, 40, 40, 40

Q: A sociologist is studying the age of the population in Blue Valley. Ten years ago, the population…

A: Age  Observed value under 20 29 20-35 25 36-50 65 51-65 67 over 65 24

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: The given values are:Population mean (μ) = 10,476 kWhSample mean (x̄) = 10,767 kWhPopulation…

Q: The National Academy of Science reported that 37% of research in mathematics is published by US…

A: we have to find test  statistics..

Q: Has the Percentage of U.S. Adults Who Smoke Decreased since 2007? With data from the 2005-2007…

A: To determine whether the percentage of U.S. adults (18 and older) who smoke is less than 20% this…

Q: The National Academy of Science reported that 31 % of research in mathematics is published by US…

A: p=0.31 n=188 x=74

Q: Compute the value of the test statistic. Round your answer to two decimal places

A: Sample size n = 457X = 24 = no of women reported now being marriedSample proportion…

Q: The U.S. Energy Iniormation Administration clalmed that U.S. residenual customers Used an average of…

A: We want to draw a conclusion and interpretation of decision

Q: A researcher administers a new treatment to a sample of participants selected from a population with…

A: According to the provided information, a sample of participants selected from a population with µ =…

Q: Compute the value of the test statistic. Round your answer to two decimal places.

A: Sample size n = 414 X = 16 = no of women reported now being married Sample proportion = X/n = 16/414…

Q: Annie is concerned over a report that "a woman over age 4040 has a better chance of being killed by…

A: It is given that n=516 and x=21.

Q: The National Academy of Science reported that 33% of research in mathematics is published by US…

A: This problem can be solved using z test for proportion. The formula for the z test statistic is…

Q: Annie is concerned over a report that "a woman over age 40 has a better chance of being killed by a…

A: The hypothesized proportion of women in their 40s, who are never previously wed and are now being…

Q: According to the USDA, 46.2% of males between 20 and 39 years old consume the minimum daily…

A: Given p=0.461n=48x=32α=0.10

Q: The National Academy of Science reported that 33% of research in mathematics is published by US…

A: sample size(n)=280x=108α=0.01

Q: A new screening test for Lyme disease is developed for use in the general population. The…

A: Number of persons screened = 500 Sensitivity (Test positive | Having disease) = 60% Specificity…

Q: Step 2 of 3 :   Compute the value of the test statistic.

A:

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: The given information: The sample size, n = 153  The sample mean, x̄ = 10,767  The population…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.