You may need to use the appropriate appendix table or technology to answer this question. Sales personnel for 5 killings Distributors submit weekly reports listing the customer contacts mude during the week. A sample of 67 weekly reports showed a sample miean of ia. 5 custoner contach per week. The sample standard deviation was 4.2. Provide a 90% confidence interval for the population mean number of weekly customer contacts for the soles personnel. (Round your antwers to teo deamal places.) contacts/week to contacts/week. Provide 95% confidence interval for the population mean number of weeky customer contscts for the sales personnel. (Round your answers to two decimal pluces) contacts/week to contacts/week