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questions 8.16, 8.18, 8.20, 8.22, and 8.24 8.15 The average credit card interest rate is now at 16.7 percent with a standard 1.5 days. bury

questions 8.16, 8.18, 8.20, 8.22, and 8.24

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8.15 The average credit card interest rate is now at 16.7 percent with a standard 1.5 days. bury doesn't want to move in until the electricity is turned on. If devotion of 3 percent, What is the probability that a card has a rule the waits until she is 95 percent sure, how many days should the wait before a Above 161 Between 13 and 16% d. Between 15 and IBS, moving in! and Amasio wants to buy a new computer online. He is told that the specific 6 16 The average credit card debt is currently $6,000 (6) with a standard deviation of many uter be warts will take an average of 5 business days for delivery with a 1000 12). What is the probabiley that (use single digits) standard deviation of 5. How many days should be expect to wait if he wants to a. A person will have a debt of more than s thousand dollars? he to percent sure of the delivery? How many days if he wants to be 95 percent b A person will have a debt more than 5 thousand? c A person will have a debt less than A thousand? d A person will have a debt between 4 and a thousand! I' the average amount of caloric intake for individuals in a region is normally distributed with a mean of 2400 calories, a standard deviation of 138, and a B.IF The salaries of teachers in the West Bloomfield Public School District am p-apart of 1 9%%, what is the value of a! formally distributed with a mean of $50 thousand with a standard deviation of 5.5. What is the probability that a randomly selected teacher will have a ulary.. we Dir escap monthly increase of gasoline in the city was 14 cents per gallon L. Abow 951 C. Above 60 with a standard deviation of 3. What is the probability that a randomly selected . Below 507 d. Between 60 and 702 jar woohoo's increase equals 20 cents per gallon? 8 18 The lifetime of a computer is normally distributed with a mean of $5 prin AT 1 4 percent of the employers of the university favor going on strike, what is the and a standard deviation of I.1 years What is the probability that a randomly probabley that at least 5 of the B employees in the Registrar's Office will favor elected computer would have a lifetime of going on strike! Use the normal approximation of the binomial b. Lew than & year? Ofailege graduates, 28.5 percent report that they currently smoke cigarettes. c More than 1. 3 years! What is the probability that more than 56 smoke from a sample of 180 d.& pear! 4.I's If a brand of low fat popcorn has a mean of 3 grams of fat with a standard 13 A study was conducted on the effects of incarceration in state prisons. h was deviation of 45, what is the probability that a randomly selected haag contains less than 4 gramti of ball found that 10 percent of prisoners are helped by their prison experience, 50 percent of prisoners are harmed, and 30 percent are unaffected. Out of 100 8 20 /The average salary of a registered nurse in Michigan Is 573.960 with a standed primmeri. what is the probability that more than 15 are helped by their prison experience! the the normal approximation of the binomial deviation of $5090. What is the probability that a randomly selected registrint more will make more than $75,000! LM I'M percent of urban youth are arrested before they reach the age of IS, what R.21 The average cost of the 2012 Super Bowl ticket was $6.292 with a standard is the probability that in a family of 8 children, fewer than 3 children will be deviation of 51 215. What is the probability that a pension paid more thin amerind before they are 18! Use the normal approximation of the binomial. 1 17 Find they a value for a E wore of 1.25 with a mean of 500 and a standard deviation of 70, 123 Say it moving into her new apartment. She is told that the time required is turn on the electricity i a normally distributed with a mean of 2 days, and

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