The Curdle Dairy Co. wants to estimate the proportion p of customers that will purchase its new broccoli-flavored ice cream. Curdle wants to be 90% confident that they have estimated p to within .03.  How many customers should they sample? A. 709 B. 750 C. 700 D. 752

Q: Find the margin of error for the given data values of c,s and n c = 0.92, s = 460 and n = 42 Round…

A: Answer: From the given data, Sample size(n) = 42 Standard deviation(S) = 460 Confidence interval =…

Q: physicians

A: Number of success = x= 3145 n=5804

Q: Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most…

A: Nominal Variable: It represents categories or names. The values of a nominal variable are distinct…

Q: A researcher wishes to estimate the number of households with two cars. How large a sample is needed…

A: Given :Margin of error:ME = 0.06sample proportion:p̂ = 0.23

Q: Use the following information to answer the next two exercises. Sixty-five randomly selected car…

A: The boxplot is a type of graph which helps to visualize the quartile values, also it helps to…

Q: A poll was conducted on a representative sample of 600 adults living in the United States in order…

A: A poll was conducted on a representative sample of 600 adults living in the United States in order…

Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A: It is given that the scores on the AP History exam are normally distributed with N(72, 7.5).

Q: A sample of 8 movie tickets had the following prices: 1 ticket at $7.50, 3 tickets at $8.50, and 4…

A: The price of 1 ticket is $7.50 The price of 3 tickets is $8.50  The price of 4 tickets is $9.40…

Q: Meteorologists in Texas want to increase the amount of rain delivered by thunderheads by seeding the…

A: From the given information, The value of n is 30. The average value of population is 300.

Q: In a random sample of 72 professional actors, it was found that 59 were extroverts. Let p represent…

A: Given,     The objective is to find the point estimate for p.

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A:

Q: In Oregon, 24.9% of the 1.998 million dosages given have been to people whose vaccination is…

A: Given that  In Oregon, 24.9% of the 1.998 million dosages given have been to people whose…

Q: You are conducting a study of students doing work-study jobs on your campus. Among the questions on…

A: As given here, question B is " How applicable is this work experience to your future employment…

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Given, Confidence level, C = 95% = 0.95So, level of significance, α = 1-0.95 = 0.05Margin of error,…

Q: To assess the effect of a new golf ball and new driver on driving distance, I take repeated…

A: From the given information , it is clear that,     Old golf ball  New golf ball Old driver  88,…

Q: 10. Mercury In below are the amounts of mercury (in parts per million, or ppm) found in tuna sushi…

A: Sample mean x¯=0.719 ppm Standard Deviations=0.366 ppm Confidence level:90% Sample Size n=7

Q: A sample of two hundred and fifty families showed that ninety one owned at least one car. Find an…

A:

Q: A researcher claims that based on the information obtained, 17% of young people ages 9-19 are obese.…

A: Given : Sample size  of young people ages 9-19 (n) = 200 Let X: No. of young people ages 9-19 obese…

Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: p =0.18 n = 2307

Q: An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars…

A: The given data is as follows:Sample size, 363 of them preferred foreign over domestic cars

Q: According to a Mobile Marketing Company's survey of 2000 people, 60% said that they use their mobile…

A: We have to find nom of successes in given sample.

Q: A survey of 100 fatal accidents showed that 39 were alcohol related. Find a point estimate for p,…

A: The objective of this question is to find the point estimate for p, the population proportion of…

Q: Giving à test to a group of students, the grades and gender are summarized below B. C Total Male 10…

A: Given data: The grades and gender of a group of students is given in the provided contingency table.…

Q: 9% of all Americans suffer from sleep apnea. Aresearcher suspects that a lower percentage of those…

A: Given P0 = 0.09 X=23 n=378 p^=X/n p^= 23/378 p^=0.061 a.  z-test for a population proportion b. H 0…

Q: A manager wants to identify the relationship between gender and the degree of loyalty. A sample of…

A:

Q: Given n = 49, x-bar = 50, s = 7, and H0: µ = 52, what is the computed value for the test statistic?…

A:

Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: You want to figure out if there is a difference in lengths between male and female kestrels…

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

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Find z-critical value:…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: Sand and clay studies were conducted at the West Side Field Station of the University of California.…

A: Arranging the data into ascending order: 0.1, 1.7, 8.4, 16.4, 18.2, 19.5, 24.2, 24.8, 27.3, 27.4,…

Q: A. What percentage of men said yes? Round to one decimal place as needed B. What percentage of…

A: Here, the percentage of men said yes is required. From the given table, it is clear that the number…

Q: Researchers wanted to learn more about people who rent apartments and who have pets. They began a…

A: The number of renters in the survey is 961. The number of renters who have pets is 216. It is given…

Q: A survey of 100 fatal accidents showed that 26 were alcohol related. Find a point estimate for p,…

A: Given information: Sample size of the survey of fatal accidents n=100 Number of accidents that were…

Q: A manufacturer wishes to estimate the proportion of washing machines leaving the factory that is…

A: The random variable washing machine follows binomial distribution. The level of confidence is 90%.…

Q: Find the margin of error for the given data values of c,s and n C = 0.95, s = 520 and n Round to two…

A: Answer: From the given data, Sample size(n) = 62 Standard deviation(S) = 520 Confidence interval (c)…