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Talking: Joanna Grant 11. (10 pt) Adietitian is interested in comparing the sodium content of real chees cheese substitute. The data for two random samples are shown. Compare the distributions, using bcxplots. Also, determine if any of the points may be outliers. 420 240 12. (6 pt) Assume that women's weights are normally distributed with a mean of 143 lb and a standard deviation of 29 lb. a. Find the probability of finding a woman whose weight is less than 95 lb. b. Find the probability of finding a woman whose weight is between 100 lb and 130 lb. c. Find the weight that equals the 90th percentile. 13. (3 pt) To qualify for a police academy, candidates must score in the top 10% on a general abilities test. The test has a mean of 200 and a standard deviation of 20. Find the lowest possible score to qualify. Assume the test scores are normally distributed. 14. (3 pt) A financial adviser suggests that his client select one of two types of bonds in which to invest $5,000. Bond X pays a return of 4% and has a default rate of 2%. Bond Y has a 2.5% return and a default rate of 1%. When the bond defaults, the investor loses all the investment. Which bond would be a better investment? (Hint: Take a look at Lecture 7 slides, the example on slide #11) 15. (3 pt) A survey from Teenage Research Unlimited found that 30% of teenage consumers receive their spending money from part-time jobs. If 5 teenagers are selected at random, find the probability that at least 3 of them will have part-time jobs