Question:

You may need to use the appropriate appendix table or

Last updated: 11/21/2023

You may need to use the appropriate appendix table or

You may need to use the appropriate appendix table or technology to answer this question The president of Doerman Distributors Inc believes that 30 of the firm s orders come from first time customers A random sample of 150 orders will be used to estimate the proportion of first customers a Assume that the president is correct and p 0 30 What is the sampling distribution of p for n 150 Round your answer for o to four decimal places p E p Since np and n 1 p approximating the sampling distribution with a normal distribution Select appropriate in this case b What is the probability that the sample proportion p will be between 0 20 and 0 40 Round your answer to four decimal places c What is the probability that the sample proportion will be between 0 25 and 0 35 Round your answer to four decimal places