In a particular week, the probability that it will rain is 75% each day. What is the probability that it will rain 4 of the 7 days this week? Round to three decimal places.
Q: A baseball player has a batting average of 0.22. What is the probability that he has exactly 6 hits…
A: Answer: Given that: p= 0.22 , n= 7 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…
Q: In a fundraising event, 100 raffle tickets are sold, with 10 of them being winning tickets. If you…
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Q: A high school baseball player has a 0.266 batting average. In one game, he gets 6 at bats. What is…
A: The batting average is given as, .The no. of bats, .In this case, each batting has only options of…
Q: A coin is tossed and a single 6-sided die is rolled. Find the probability of landing on the tail…
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Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 8 seeds are planted,…
A: Answer:- Given, a seed is planted, it has a 70% chance of growing into a healthy plant.…
Q: A poll showed that 57.9% of Americans say they believe that some people see the future in their…
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Q: A poll showed that 66.4% of Americans say they believe that some people see the future in their…
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Q: Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are drawn from a…
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Q: A golfer putts the ball into the hole 48.7% of the time (if within 10 feet of the hole). Find the…
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Q: The Gallup Poll reported that 52% of Americans used a seat belt the last time they got into a…
A: Let X be number of people used a seat belt the last time they got into a car from binomial…
Q: This season, the probability that the Yankees will win a game is 0.6 and the probability that the…
A: Answer:- Given, The probability that the Yankees will win a game is 0.6 So, The probability that…
Q: 8% of Dr. Williams patients end up with 20-30% vision or better. Find the probability that exactly 4…
A: Let the give data be probability of patients getting well = 0.98 The number of patients. n = 4
Q: If the probability that the Yankees will win a baseball game is 60%, find the probability that the…
A: The probability that Yankees will win a baseball game is 60%, that is PWinning=0.60.
Q: In a recent semester at a local university, 600 students enrolled in both statistics I and…
A: In a recent semester at a local university, 600 students enrolled in both statistics I and…
Q: Jan has a bag of 12 marbles, consisting of 4 red marbles and 8 blue marbles. If Jan randomly…
A: Given information: Total number of marbles in a bag=12. Number of red marbles in the bag= 4. Number…
Q: A baseball player has a batting average of 0.335. What is the probability that he has exactly 5 hits…
A: Answer - A baseball player has a batting average = 0.335 i.e p = 0.335 n = 7 and…
Q: The Gallup Poll reported that 43% of Americans are fans of professional baseball. If 4 people are…
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Q: P3 Harvard students graduate with honors =
A: Let , X be the number of Harvard students graduate with honors Here , X→B(n=3 , p=0.48) The…
Q: The probability that an automobile needs an oil change is 43.77% and the probability that it needs a…
A: GivenP(automobile needs an oil change)=0.4377P(automobile needs a new oil filter)=0.4329
Q: ass, 75% of students are taking an English class, and 57% of students are taking both. Find the…
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Q: Every day, Jorge buys a lottery ticket. Each ticket has a probability of 0.2 of winning a prize.…
A: Given that the probability of winning a prize is p = 0.2. Let, X = Number of prizes won by Jorge…
Q: A baseball player has a batting average of .18. What is the probability that he has exactly 6 hits…
A: Given that, A baseball player has a batting average of 0.18. Probability, p = 0.18 Sample size = 7
Q: A box at a miniature golf course contains 77 red golf balls, 88 green golf balls, and 33 yellow golf…
A: Case (i): It is given that there are 77 red balls, 88 green balls, and 33 yellow balls. The total…
Q: In a large population, 59% of the people have been vaccinated. If 3 people are randomly selected,…
A: n=3,p=59%=0.59X~Binomial(n=3,p=0.59)Let X be the number of person have been vaccinated.p be the…
Q: A poll showed that 69.3% of Americans say they believe that statistics teachers know the true…
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Q: find the probability of being dealt a hand of four cards from a standard deck that contains all four…
A: find the probability of being dealt a hand of four cards from a standard deck that contains all…
Q: Suppose a weather report indicates that the probability of rain this week is 0.20. According to the…
A: Tree Diagram for this problem :
Q: Suppose a jar contains 5 red marbles and 40 blue marbles. If 2 marbles are randomly chosen from the…
A: Given that, Number of red marbles = 5Number of blue marbles =40Total number of marbles = 45
Q: A machine has 28 identical components which function independently. The probability that a component…
A: From the provided information, Sample size (n) = 28 The probability that a component will fail is…
Q: During a single day at radio station WMZH, the probability that a particular song is played is 22%.…
A:
Q: The mean life of a person who has had a heart transplant is about 12 years. Find the probability…
A: Answer: From the given data, Mean life of a person who has had a heart transplant is = λ = 12 years…
Q: After seven days, what is the probability that Jorge has won at least one prize
A: Let p be ghe probability of winning a prize. Given that p = 0.4 Let X denote the number of prizes…
Q: A baseball player has a batting average of 0.355. What is the probability that he has exactly 4 hits…
A:
Q: An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing…
A: From the given information, n=20 and p=0.69.
Q: A baseball player has a batting average of 0.37. What is the probability that he has exactly 7 hits…
A: Answer - A basketball player has a batting average 0.37 i.e P = 0.37 n = 7 and x = 7
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- In a large school, it was found that 69% of students are taking a math class, 75% of student are taking an English class, and 65% of students are taking both.Find the probability that a randomly selected student is taking a math class or an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.Find the probability that a randomly selected student is taking neither a math class nor an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.Hospitals like to have electricity provided when there is a blackout. Assume that the backup generators fail 38% of the time. Find the probability of a hospital with 2 back up generators failing at the same time. Round to 4 decimal places. Find the probability of at least one generator working during a blackout. Round to 4 decimal places.My brothers trick coin lands on tails 37% of the time. If I flip it 55 times what is the probability that I will get exactly 13 tails. Round to 4 decimal places.
- 35% of all college students major in STEM (Science, Technology, Engineering, and Math). If 32 college students are randomly selected, find the probability that exactly 11 of them major in STEM. Round to 4 decimal places.The chance of an email being spam is 44%. If you receive 33 emails in a single day, find the probability that exactly 14 of them are spam. Round to the nearest tenth of a percent (1 decimal place percent).A place kicker in the NFL makes 78% of his field goals. If the outcomes are independent, what is the probability that he makes exactly 6 of the next 8 field goals? Round your answer to 4 decimal places
- A machine has 32 identical components which function independently. The probability that a component will fail is 0.28. The machine will stop working if more than three components fail. Find the probability that the machine will be working. Round to the nearest thousandth.In a large city’s recent mayoral election, 131,506 out of 309,153 registered voters actually turned out to vote. If 20 registered voters are randomly selected, find the probability that 7 of them voted in the mayoral election. Use a TI-83, TI-83 plus, or TI-84 calculator to find the probability. Round your answer to three decimal places.Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places. Positive test result Negative test result Total Has lung cancer Does not have lung cancer Total What is the probability a patient has lung cancer given that she just had a positive test? Give answer as decimals to 4 decimal places.