May I have the answers for the following questions step by stepplease.

1. Annual sales, in millions of euros, for 21 pharmaceuticalcompanies follow.

          8408             1374             1872             8879             2459             11413           608

14138 6452 1850 2818 1356 104987478

4019 4341 739 2127 3653 5794 8305

1. Provide a five-number summary.
2. Compute the lower and upper limits for the box plot.

1. Suppose that IQ scores have a bell-shaped distribution with amean of 100 and a standard deviation of

15.

1. What percentage of people have an IQ score between 85 and115?
2. What percentage of people have an IQ score between 70 and130?
3. What percentage of people have an IQ score of more than130?
4. A person with an IQ score greater than 145 is considered agenius. Does the empirical rule support this statement?Explain.

1. A sample has data values 27, 25, 20, 15, 30, 34, 28, 25.Calculate the range, interquartile range, variance, standarddeviation and coefficient of variation.

1. Use the below table to answer the questions:

	Fatalities	Serious injuries	Total
Children	53	1976	2029
Adults	1722	19056	20778
Total	1775	21032	22807

1. What is the probability that the victim has fatalities?
2. What is the probability that the victim was an adult and he/shehas serious injuries?
3. What is the probability that the victim was a child or he/shehas fatalities?
4. What is the probability of a serious injury given the victimwas a child?
5. What is the probability that the victim was an adult given afatality occurred?

1. A company is about to sell to a new client. It knows from pastexperience that there is a real possibility that the client maydefault on payment. As a precaution the company checks with aconsultant on the likelihood of the client defaulting in this caseand is given an estimate of 20%. Sometimes the consultant gets itwrong. Your own experience of the consultant is that he is correct70% of the time when he predicts that the client will default butthat 20% of clients who he believes will not default actually do.What is the probability that the new client will not default?