Use the information provided below to answer questions $7$ to $8.$

At the conclusion of a recent survey study, a researcher determined that only $25\%$ of individuals who were contacted telephonically provided

reliable information.

QUESTION $7(4$ marks$)$

Suppose that $10$ of the interviewees are randomly drawn from the sample frame, what is the probability that at least two provided reliable

information?

A$.0\mathrm{.}2440$

B$.0\mathrm{.}7560$

C$.0\mathrm{.}2816$

D$.0\mathrm{.}7184$

QUESTION $8(4$ marks$)$

Suppose that $10$ of the interviewees are randomly drawn from the sample frame, what is the probability that at most two provided reliable

information?

A$.0\mathrm{.}4693$

B$.0\mathrm{.}4744$

C$.0\mathrm{.}5256$

D$.0\mathrm{.}5307$

Use the information provided below to answer questions $9$ and $11.$

A private hospital stocks a $$code blue$$ resuscitation kit that has a normally distributed demand during the reorder period. The mean $($average$)$

demand during the reorder period is $350$ kits, and the standard deviation is $10$ kits.

QUESTION $9(4$ marks$)$

What is the probability that during the reorder period, the demand for the $$code blue$$ resuscitation kits oscillated between $329$ and $375$ kits?

A$.0\mathrm{.}9759$

B$.0\mathrm{.}0241$

C$.0\mathrm{.}4821$

D$.0\mathrm{.}4938$

QUESTION $10(4$ marks$)$

What is the probability that on a particular day during the reorder period, the demand for the $$code blue$$ resuscitation kits exceeded $373$ kits?

A$.0\mathrm{.}1026$

B$.0\mathrm{.}0179$

C$.0\mathrm{.}0107$

D$.0\mathrm{.}2775$

QUESTION $11(4$ marks$)$

Suppose that the hospital administrator wants to follow a policy that results in stockouts only $10\%$ of the time. What safety stock of the $$code blue$$

resuscitation kit should the hospital maintain?

A$.$ Approximately $363$ kits

B$.$ Approximately $13$ kits

C$.$ Approximately $337$ kits

D$.$ Approximately $36$ kits

SECTION C $(20$ MARKS$)$

Study the information pro