If a random sample of 40 is taken from each of the following distribution find the probability for each case that the sample mean exceeds 6.1 a. X~ Po(6.4) Answers in 4 decimal place
Q: The percent of fat calories that a person in America consumes each day is normally distributed with…
A: Given that Mean=μ=36 Standard deviation=?=10 X~N( μ = 36 , ? = 10 ) Z-score =( x - μ )/?
Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 70…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: About 77% of all female heart transplant patients will survive for at least 3 years. Eighty female…
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Q: Los Angeles workers have an average commute of 34 minutes. Suppose the LA commute time is normally…
A: a) Mean= 34 Standard deviation = 15 So, variance= 152= 225 X~N(mean, variance)=N(34,225)…
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Q: Assume that the height of adult females in the United States is approximately normally distributed…
A: Answer: From the given data, Mean (μ) = 66 Standard deviation(σ) = 2.4 Sample size(n) = 8
Q: The average number of miles (in thousands) that a car's tire will function before needing…
A: given data normal distribution μ = 67σ = 17n = 49
Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 66…
A: Given that. X~N( μ , ?^2 ) μ=66 , ?=14 Z-score =( x - μ )/? NOTE:- According to bartleby…
Q: Assume that the height of adult females in the United States is approximately normally distributed…
A: Answer: From the given data, mean (μ) = 66 standard deviation(σ) = 2.6 Sample size(n) =10
Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 68…
A: As per Bartleby guideline expert have to answer first question three subparts only dear student…
Q: The average THC content of marijuana sold on the street is 9%. Suppose the THC content is normally…
A: Given Mean=9% Standard deviations=1%
Q: For a Uniform distribution with a low of 0 and a high of 25. Find the probability that a score is…
A: Solution: If X be the uniform random variable, then the probability density function of X is Let X…
Q: The mean score on a physics test is 75% with standard deviation 6.5%. Suppose that the scores in the…
A: The problem provides us with the following values:Mean (μ) = 75%Standard deviation (σ) = 6.5%Score…
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Q: The weights of newborn baby boys born at a local hospital are believed to have a normal distribution…
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Q: Normal Distribution. Cherry trees in a certain orchard have heights that are normally distributed…
A: Given: μ=112σ18
Q: what is the probability that the sample proportion will differ from the population proportion by…
A: We have given that the true population proportion p = 0.07. The sample size n = 492.
Q: The mean score on a physics test is 75% with standard deviation 6.5%. Suppose that the scores in the…
A: The problem provides us with the following values:Mean (μ) = 75%Standard deviation (σ) = 6.5%Score…
Q: The mean weight of all Goliath grouper caught on the Treasure coast is 428 pounds, with a standard…
A: From the provided information, Mean (µ) = 428 Standard deviation (σ) = 59
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Q: How do I do this problem?
A: Solution: Let X be the IQ score. From the given information, X follows normal distribution with mean…
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A: Let a random variable, X~N(μ,σ2), the assumed z-score for a sample mean X¯ is, Z=X¯-μσndefined,…
Q: The percent of fat calories that a person in America consumes each day is normally distributed with…
A: Given Mean=35 Standard deviations=9
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A: Solution
Q: For a normally distributed random variable mean is 46 and standard deviation is 13. Find the Z score…
A: Answer: From the given data, Population mean (μ) = 46 Population standard deviation (σ) = 13
Q: The average American man consumes 9.9 grams of sodium each day. Suppose that the sodium consumption…
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Q: The percent of fat calories that a person in America consumes each day is normally distributed with…
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Q: A collection of medical scores is Normal with Mean of 50 and Standard Deviation of 10; that is N(50,…
A: Given data,μ=50σ=10Bertha’s score is 47.56 and Biff’s score is 56.82. P(47.56<X<56.82)=?
Q: The amount of time that people spend at Grover Hot Springs is normally dist mean of 70 minutes and a…
A: Note: Please repost part d as I can author only 3 sub-parts as per my policy Given data,Mean μ=70sd…
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Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 60…
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- The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3335 grams and a standard deviation of 632 grams. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be less than 3840 grams. Round your answer to four decimal places.Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score between -1.96 and 1.96. The probability is _____ (Round to four decimal places as needed.)Los Angeles workers have an average commute of 31 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible.a. Find the probability that a randomly selected LA worker has a commute that is longer than 27 minutes. b. Find the 70th percentile for the commute time of LA workers. minutes
- The percent of fat calories that a person consumes each day is normally distributed with a mean of about 35 and a standard deviation of about ten. Suppose that 9 individuals are randomly chosen. Let X = average percent of fat calories. For the group of 9, find the probability that the average percent of fat calories consumed is more than six. (Round your answer to four decimal places.)The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 64 minutes and a standard deviation of 14 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected person at the hot springs stays longer then 57 minutes. c. The park service is considering offering a discount for the 7% of their patrons who spend the least time at the hot springs. What is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes. d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes IQR: minutesPlease tell me which of the multiple choice are correct A t-value of 2.35, from a t-distribution with 14 degrees of freedom, has an upper-tail (“greater than”) probability between which two values on the t-table?Select one:a. 2.15 and 2.26b. 0.29 and 0.82c. 0.025 and 0.01
- A librarian wants to estimate the average number of book a patron will checkout over a years time. She believes from past studies the standard deviation is20 books per year. If she samples 100 patrons, with what probability can sheassert than the error in her estimate will be less than 5 books per year? (The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3811 grams and a standard deviation of 442 grams. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be between 3590 and 4429 grams. Round your answer to four decimal places.The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X=percent of fat calories. Round all answers to 4 decimal places if where possible a. What is the distribution of X? X N( b. Find the probability that a randomly selected fat calorie percent is more than 40. c. Find the minimum number for the lower quarter of percent of fat calories.
- NoneThe probability of a given score range is 0.4821. The bottom of the score range is the average (z=0). What is the z-score for the upper end of the distribution?The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 67 minutes and a standard deviation of 16 minutes. Suppose one person at the hot springs is randomly chosen. Let X = the amount of time that person spent at Grover Hot Springs . Round all answers to 4 decimal places where possible.b. Find the probability that a randomly selected person at the hot springs stays longer then 77 minutes. c. The park service is considering offering a discount for the 4% of their patrons who spend the least time at the hot springs. What is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes.d. Find the Inter Quartile Range (IQR) for time spent at the hot springs.Q1: (. ) minutesQ3: ( )minutesIQR:( )minutes PLEASE ANSWER ALL 3 SUBS B, C, AND D
