Question: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture

Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp involves the drilling of three holes. In a sample of 61 clamps, the mean time to finish the step was 51.7 seconds. Assume that the population standard deviation is 8 seconds. What is the lower bound of the 98% confidence interval?

Round your answer to one decimal place (for example: 41.9). Put down only a number as your answer.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient aspossible. One of the steps used to manufacture a metal clamp involves...

Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp involves...

7:08 PM Fri Jul 23 54% i www-awu.connectmath.com FER Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as olo possible. One...

pls help Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp...

Please help Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal...

what would part 2 be?? Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a...

what would part 2 b?? Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a...

Information has both costs and benefits to a firm. What are the costs and benefits of information production to a firm? How much information should the firm produce? Is this amount necessarily...

Peachtree Company uses a sales journal, a purchases journal, a cash receipts journal, a cash disbursements journal, and a general journal. The following transactions occur in the month of May. May 1...

The current spot exchange rate between the US dollar ( USD ) and South Korean won ( KRW ) is 1 . 0 0 USD = 1 3 6 0 . 1 1 K R W . From the US perspective, this is a ( n ) quotation for the direct; US...

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...