For next 4 questions use the following direction: parents of teenage boys often complain that auto insurance costs more, on average, for teenage boys than for teenage girls. a group of concerned parents examines a random sample of insurance bills. the mean annual cost for 58 teenage boys was $680, and it was $560 for 58 teenage girls. from past years, it is known that the population standard deviation for each group is $180. determine whether or not you believe that the mean cost of auto insurance for teenage boys is greater than that for teenage girls (h0 is null hypothesis, and ha is alternative hypothesis). if you conduct hypothesis testing, you have to consider:

Slow ride corp. is evaluating a project with the following cash flows: year cash flow 0 –$12,000 1 5,800 2 6,500 3 6,200 4 5,100 5 –4,300 the company uses a 11 percent discount rate and an 8 percent reinvestment rate on all of its projects. calculate the mirr of the project using all three methods using these interest rates.

Which of the following is likely not a benefit of requiring a grand jury to listen to and examine all of the evidence against a person suspected of committing a serious crime and then independently deciding whether or not to hand down an indictment? 1.the grand jury system provides the accused another safeguard against being sent to trial and facing conviction based on flawed evidence. 2.the members of the grand jury are drawn from the community and are empowered to render independent decisions about whether or not the government has collected enough evidence to bring an individual to trial. 3.the grand jury’s decision can provide prosecutors insight into what is necessary to build a sufficient case if a similar crime is presented later. 4.the grand jury is impaneled to rubber-stamp prosecutors’ cases, which makes it possible for more cases to reach trial.

Which investment has the liquidity and can be converted into cash easily?