Question: How many observations should a stopwatch time-study analyst plan for in an operation that has a standard deviation of 1.42 minutes per piece if the

How many observations should a stopwatch time-study analyst plan for in an operation that has a standard deviation of 1.42 minutes per piece if the goal is to estimate the mean time per piece to within 0.5 minute with a confidence of 90.0 percent?

(Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.)

Observations

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 General Management Questions!

1. A large bakery acquires flour in 18kg bags. The bakery uses 4,970 bags annually on average. $13 per order is required for order preparation, shipment receipt, and invoice payment. Per bag of...

A large bakery acquires flour in 18 kg bags. The bakery uses 4,970 bags annually on average. $13 per order is required for order preparation, shipment receipt, and invoice payment. Per bag of flour,...

How many observations should a stopwatch time-study analyst plan for in an operation that has a standard deviation of 1.60 minutes per piece if the goal is to estimate the mean time per piece to...

2. How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.31 minutes per piece if the goal is to estimate the mean time per piece to within...

How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.42 minutes per piece if the goal is to estimate the mean time per piece to within 0.5...

Following are the observations (in minutes) for four elements of a task. Determine the observed time (OT) for each element. Note: The second element occurs only in every other cycle. (Round the final...

Help Sove & Exit Submit How many observations should a stopwatch time - study analyst plan for in a task that has a standard deviation of 1 . 2 8 minutes per piece if the goal is to estimate the mean...

How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.35 minutes per piece if the goal is to estimate the mean time per piece to within 0.1...

A rectangular concrete beam measures 300 mm wide and has an effective depth of 450 mm. Compression steel consisting of two No. 25 (No. 8) bars is located 65 mm from the compression face of the beam....

In a recent budget presentation, the Minister of Finance and Planning Dr. Omar Davis announced changes to property tax effective April 1, 2005. This is with the objective to reduce the system's...

common stock is an equity account right? is additional paid in capital an equity account as well

Classify each of the following as stored per process or per thread. Provide a justication each. (a) Memory Address Space (b) Flag Register (c) Global Variables (d) Stack (e) General Purpose Registers...