Homework answers / question archive / The general manager of a logistic consulting group believes that 28% of the firm’s orders come from new customers A simple random sample of 120 orders was selected Using the manager’s belief, determine:   1 The standard error for the sampling distribution of proportion (3 decimal place) 2 The probability that the proportion of firm’s orders that come from new customers is outside the range of 25% to 31% (3 decimal places)   Develop a 99% confidence interval for the population proportion and interpret your results

The general manager of a logistic consulting group believes that 28% of the firm’s orders come from new customers A simple random sample of 120 orders was selected Using the manager’s belief, determine:   1 The standard error for the sampling distribution of proportion (3 decimal place) 2 The probability that the proportion of firm’s orders that come from new customers is outside the range of 25% to 31% (3 decimal places)   Develop a 99% confidence interval for the population proportion and interpret your results

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The general manager of a logistic consulting group believes that 28% of the firm’s orders come from new customers A simple random sample of 120 orders was selected Using the manager’s belief, determine:

1 The standard error for the sampling distribution of proportion (3 decimal place)

2 The probability that the proportion of firm’s orders that come from new customers is outside the range of 25% to 31% (3 decimal places)

Develop a 99% confidence interval for the population proportion and interpret your results