1 . The president of Doerman Distribution, Inc. believes that 30% of the firm's orders come...
The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A simpl random sample of 100 orders will be used to estimate the proportion of first-time customers. Use z-table. a. Assume that the president is correct and p = 0.3. What is the sampling distribution of p for this study? Select your answer - b.What is the probability that the sample proportion will be between 20 and .40 (to 4 decimals)? c. What...
The president of Doerman Distributors, Inc., believes that 30 percent of the firm's orders come from first-time customers. A simple random sample of 100 orders will be used to estimate the proportion of first-time customers. Use z-table. a. Assume that the president is correct and p=0.3 . What is the sampling distribution of p bar for this study? A non normal distributionA normal distribution because np and n(1-p) are both greater than 5A normal distribution because np and n(1-p) are...
The president of Doerman Distributors, Inc., believes that 31% of the firm's orders come from first-time customers. A simple random sample of 100 orders will be used to estimate the proportion of first-time customers. User-table a. Assume that the president is correct and p = 0.31. What is the sampling distribution of p for this study Select b. What is the probability that the sample proportion will be between .22 and 40 (to 4 decimals)? c. What is the probability...
The president of Doerman Distributors, Inc., believes that 28% of the firm's orders come from first-time customers. A simple random sample of 100 orders will be used to estimate the proportion of first-time customers. Use z-table. What is the probability that the sample proportion will be between 0.16 and 0.40 (to 4 decimals)? What is the probability that the sample proportion will be between 0.21 and 0.35 (to 4 decimals)?
You may need to use the appropriate appendix table or technology to answer this question The president of Doerman Distributors, Inc., believes that 35% of the firm's orders come from first-time customers. A random sample of 200 orders will be used to estimate the proportion of first-time customers. (a) Assume that the president is correct and p 0.35. What is the sampling distribution of p for n 200? (Round your answer for o to four decimal places.) , approximating the...
The vice president of sales for Blasterman Cosmetics, Inc. believes that 40% of the company’s orders come from customers who are less than 30 years old. A random sample of 10,000 orders will be used to estimate the proportion of customers who are less than 30 years old. 1. Assume that the vice president of sales is correct and P=0.4. What is the sampling distribution of p for this study? 2. What is the probability that the sample proportion will...
Assignment: 7.6 Practice Assignment Score: 0.00% Save Submit Assignment for Grading Questions Exercise 07.31 (Self-Test) Question 1 of 2 Check My Work eBook Video The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A simple random sample of 100 orders will be used to estimate the proportion of first-time customers. Use z-table. a. Assume that the president is correct and p=0.3. What is the sampling distribution of for this study? - Select...
A population proportion is 0.3. A sample of size 100 will be taken and the sample proportion p will be used to estimate the population proportion. Round your answers to four decimal places 2 of the population proportion? a. what is the probability that the sample proportion will be within ±0.0 b. What is the probability that the sample proportion will be within +0.06 of the population proportion? s A simple random sample of 100 orders will be used to...
Based on historical data, your manager believes that 36% of the company's orders come from first-time customers. A random sample of 201 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.32 and 0.45?
Based on historical data, your manager believes that 26% of the company's orders come from first-time customers. A random sample of 62 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is greater than than 0.22? P(ˆp>0.22)