The Customer Help Center in Your Company Receives Calls from Customers

question 54

Multiple Choice

The customer help center in your company receives calls from customers who need help with some of the customized software solutions your company provides.Your company claims that the average waiting time is 7 minutes at the busiest time, from 8 a.m.to 10 a.m., Monday through Thursday.One of your main clients has recently complained that every time she calls during the busy hours, the waiting time exceeds 7 minutes.You conduct a statistical study to determine the average waiting time with a sample of 35 calls for which you obtain an average waiting time of 8.15 minutes.If the population standard deviation is known to be 4.2 minutes, and α = 0.05, the p-value is approximately

• A)0.025
• B)0.026
• C)0.05
• D)0.053
• E)0.10

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Definitions:

Hypotonic Solution

A solution that has a lower concentration of solutes relative to another solution, causing cells to swell as water moves inside them.

Hypertonic Solution

A solution that has a higher solute concentration compared to another solution, which can lead to the movement of water out of a cell.

Isotonic Solution

A solution that has the same osmotic pressure as another solution, typically body fluids, leading to no net movement of water across cell membranes.

Apoptosis

The process of programmed cell death that occurs in multicellular organisms, helping to remove cells that are no longer needed or damaged beyond repair.