Let n=10 and p=0.6. By using the binomial table, find P(x=3).
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- Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 55. How much less is a player’s chance of selecting 3 winning numbers than the chance of selecting either 4 or 5 winning numbers?For the following exercises, use the following data: An elementary school survey found that 350 of the 500 students preferred soda to milk. Suppose 8 children from the school are attending a birthday party. (Show calculations and round to the nearest tenth of a percent.) 56. What is the percent chance that exactly 3 of the children attending the party prefer soda?For the following exercises, use the following data: An elementary school survey found that 350 of the 500 students preferred soda to milk. Suppose 8 children from the school are attending a birthday party. (Show calculations and round to the nearest tenth of a percent.) 57. What is the percent chance that exactly 3 of the children attending the party prefer milk?
- Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 54. What is the percent chance of winning?Greg works as a carpenter. There is a 3 percent chance he loses a finger which they value at $200000. His job makes him $250000. What would the fair premium per $ for Greg to insure against losing his fingers be if his is risk adverse?An appliance store sells additional warranties on its refrigerators. Twenty percent of the buyers buy the limited warranty for $100 and 5% buy the extended warranty for $200. What is the expected revenue for the store from the warranty if it sells 120 refrigerators?
- the lottery winner who is going to invest in utility bonds and a savings account using the following data: Assume that her total winnings are $ 400000, that the utility bonds will pay 3 percent per year, and that the savings account will pay 2 percent per year. How much should she allocate to each investment in order for the yearly incomes from them to be the same?Utility Bonds: $ Savings Account: $ What will be her total yearly income from these investments? $??? What is the approximate percentage of buyers who paid less than $1180 ? That’s the only one I got wrongFind the probability of selecting either a non-smoker or a woman when you select a person at random from a group composed of 20 female smokers, 35 male smokers, 25 female non-smokers, and 50 male non-smokers. Give your answer as a percent rounded to the nearest tenth of a percent.
- Find the probability of selecting either a non-smoker or a woman when you select a person at random from a group composed of 40 female smokers, 30 male smokers, 29 female non-smokers, and 60 male non-smokers. Give your answer as a percent rounded to the nearest hundreth of a percentOver the last 40 weeks, Mr. Neace has lost $2400 playing the lottery. What is his average loss per week?60% of students entering four-year colleges receive a degree within six years. Is this percent higher for students who play intramural sports? H0: p = __?__ Ha: p > __?__