Suppose a player's true batting average is Normal, with mu = .278, and standard deviation, sigma = 0.02. What is the probability that this player will have a batting average GREATER THAN 0.300 on the basis of luck alone?
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Q: ppose a player's true batting average is Normal, with mu = .276, and standard deviation, sigma =…
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Suppose a player's true batting average is Normal, with mu = .278, and standard deviation, sigma = 0.02. What is the probability that this player will have a batting average GREATER THAN 0.300 on the basis of luck alone?
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- A manufacturer produces items whose lengths are normally distributed with a mean of 18.2 inches and standard deviation of 2.2 inches.If one item is chosen at random, what is the probability that it's length is less than 13.5 inches? Round answer to 3 decimal places.In a recent study, the Centers for Disease Control and Prevention reported that the diastolic blood pressures of adult men in the United States are normally distributed with a mean of 80.5 and standard deviation of 9.9. In an adult male is selected at random, what is the probability his diastolic blood pressure is below 75? Round your answer to four decimal places.A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability that the applicant's rating will be between 205 and 275. (Round your answer to 4 decimal places.)
- Suppose a player's true batting average is Normal, with mu = .276, and standard deviation, sigma = 0.02. What is the probability that this player will have a batting average LESS THAN 0.250 on the basis of luck alone?A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.3 years, and standard deviation of 2.3 years.If you randomly purchase one item, what is the probability it will last longer than 9 years?Use the normal table and round answer to four decimal placesSuppose a player's true batting average is Normal, with mu = .276, and standard deviation, sigma = 0.02. What is the probability that this player will have a batting average GREATER THAN 0.300 on the basis of luck alone? (Round your answer to three decimal places, ex: 0.123.)
- It is known that people in the USA spend on average 15 hours a day using electronic devices with a standard deviation of 4.75 hours. This data follows a normal distribution. What is the probability someone spends less than 20 hours using electronic devices a day? (round your answer to 4 decimals)Question B1 Jessie is a doctor at a clinic. Her consultation times (X) on patients are normally distributed with a mean of 7 minutes and a standard deviation of 1.2 minutes. (a) Find the probability that she spends 5.5 minutes to 6.4 minutes for consulting a patient. Correct your final answer to 4 decimal places.Suppose a player's true batting average is Normal, with mu = .269, and standard deviation, sigma = 0.02. What is the probability that this player will have a batting average LESS THAN 0.250 on the basis of luck alone? (Round your answer to three decimal places, ex: 0.123.)