Exhibit 6-1 The Assembly Time for a Product Is Uniformly Distributed Between

question 63

Multiple Choice

Exhibit 6-1
The assembly time for a product is uniformly distributed between 6 to 10 minutes.
-Refer to Exhibit 6-1. The standard deviation of assembly time (in minutes) is approximately

• A)1.3333
• B)1.1547
• C)0.1111
• D)0.5773

Understand the principles of forming confidence intervals for means and proportions.

Apply confidence interval concepts to estimate the difference between two population means.

Apply confidence interval concepts to estimate the difference between two population proportions.

Interpret and compare confidence intervals to draw conclusions about population parameters.

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