In a survery of men, the heights in the 20-29 age group were normally distributed, with a mean of inches 68.9 and a standard deviation of 3.0 inches. Find the probability that a study particpatnat has a height that is less than 68 inches. Find the probablity that a study participant has a height that is between 68 amd 71 inches. Find the probablity that a study participant has a height that is more than 71 inches. If there are 500 men, how may would you expect to be taller than 71 inches? Write a complete sentence to explain your answer.

Q: A company has 1,000 employees. The average number of workdays between absence for illness is 87 with…

A: The objective of this question is to find the probability that the sample mean of workdays with no…

Q: company finds that for its 12 ounce cans of soda, the actual amount of soda inside is Normally…

A: Mean(µ) = 12Standard deviations (σ) = 0.25X ~ N (µ, σ )= N (12,0.25)

Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with…

A: Given data,μ=69.7σ=3P(68<X<70)=?

Q: The cost of unleaded gasoline in the Bay Area once followed (approximately) a normal distribution…

A:

Q: A test for the level of zinc in drinking water is done. The zinc levels in drinking water follow a…

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Q: The credit card debt for college seniors is normally distributed with an average of $3262 and a…

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Q: A popular soft drink is sold in 2-liter (2,000)-milliter) bottles. Because of variation in the…

A: Let X be the volume of the soft drink follows Normal distribution with mean of 2000 milliliters and…

Q: The term "Freshman 15" refers to the claim that college students typically gain 15 lb during their…

A: Let X be the random variable denoting that the amounts of weight that male college students gain…

Q: The personnel office at a firm has found that the length of an interview is normally distributed…

A: (a)   Obtain the probability that an interview will last at most 39.4 minutes.   The probability…

Q: Based on tests of the Chevrolet Cobalt, the miles per gallon in highway driving are normally…

A:

Q: The time college students spend on the internet follows a normail distrubution. At Johnson…

A:

Q: The weight of adult male rhesus monkeys is normally distributed, with a mean of 15 pounds and a…

A: We have given that  Mean=mu=15 Standard deviation=sigma=3 X~Normal(mu=15,sigma=3) Find P(x>18.6)

Q: In a study of work patterns, data from 669 subjects were collected. For the time spent in child…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ) = 23.08,…

Q: The College Board National Office recently reported that in 2011-2012, the547,038 high school…

A: a) The probability that a high school junior who takes the test will score at least 610 on the…

Q: In a test, students averaged 16.2 errors with a standard deviation of 4.2 errors. Say a random…

A: Given data  μ = 16.2σ = 4.2n = 49P( x¯ >15) = ? Normal distribution

Q: unts of weight that male college students gain during their freshman year are normally distributed…

A: Given that.   X~N( μ , ?^2 )   μ=2.3     , ?=10.2   Z-score =( x - μ )/?

Q: probability that this sample will have an average score between 21 and 26?

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: The heights of 18-year-old men are normally distributed, with a mean of 68 inches and a standard…

A: Given information- Population mean, µ = 68 inches Population standard deviation, σ = 3.3 inches Let…

Q: the mean starting salary for nurses is 67,984 dollars nationally. the stndard deviation is…

A: Mean is 67984 dollars Standard deviation is 10391 dollars

Q: The weights of the cereal in boxes of Kooky Krunch cereal are normally distributed, with a mean of…

A:

Q: In 2001 there were 869 road fatalities in Virginia, according to the Virginia Department of Motor…

A:

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Given data An engineer is going to redesign an ejection seat for an air plane . The seat was…

Q: The term "Freshman 15" refers to the claim that college students typically gain 15 lb during their…

A: To determine the probability that a randomly selected male college student gains 15 pounds or more…

Q: The mean cost of a new Sport Utility Vehicle (SUV) has been found to be $42,500 with a standard…

A:

Q: A laptop company claims up to 9.1 hours of wireless web usage for its newest laptop battery life.…

A: a) 0.1788b) 0.1788c) 9.332 hoursExplanation:Question a.Step 1: List the given values. We are told…

Q: The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric, unimodal,…

A: Given: μ=184.4σ=7.2N=53

Q: the average score on s math test is 75 with a standard deviation of 8. What is the probability that…

A: The Z-score for the random variable X equals 90 is obtained below as follows: The Z-score for the…

Q: The weight of potato chip bags filled by a machine at a packaging plant is Normally distributed,…

A: Given Mean=15 Standard deviations=0.2

Q: Scores on the MCAT are approximately Normal with a mean of 25 and a standard deviation of 6.5. To…

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: Male players use a regulation basketball that weighs 22.0 ounces with a standard deviation of 1.0…

A: Given Information: Mean = 22 Standard Deviation = 1

Q: A company sells 20-ounce bottles of soda. There isn’t exactly 20 ounces in every single bottle,…

A: Given  Mean=20, sd=0.143, n=30

Q: The distribution of weights of 9 ounce bags of a particular brand of potato chips is approximately…

A: Given Mean=9.12 Standard deviations=0.15

Q: Based on tests of the Chevrolet Cobalt, the miles per gallon in highway driving are normally…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.