A population proportion is 0.3. A sample of size 100 will be taken and the sample...
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...
A population proportion is 0.3. A sample of size 100 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places. a. What is the probability that the sample proportion will be within ±0.03 of the population proportion? b. What is the probability that the sample proportion will be within ±0.05 of the population proportion?
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...
1 . The president of Doerman Distribution, 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. a. Assume that the president is correct and p-0.3. What is the sampling distribution of p for this study? b. What is the probability that the sample proportion p will be between 0.2 and 0.4? c. What is the probability that the sample proportion...
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...
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...
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)?
A population proportion is 0.3. A sample of size 150 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places. a. What is the probability that the sample proportion will be within ±0.04 of the population proportion? b. What is the probability that the sample proportion will be within ±0.07 of the population proportion?
A population proportion is 0.5. A sample of size 200 will be taken and the sample proportion p will be used to estimate the population proportion. Round your answers to four decimal places. a. What is the probability that the sample proportion will be within ±0.02 of the population proportion? b. What is the probability that the sample proportion will be within ±0.06 of the population proportion?
1. A population proportion is 0.3. A sample of size 200 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places. What is the probability that the sample proportion will be within ±0.08 of the population proportion?