Suppose that the distance of fly balls hit to the outfleld (in baseball) is normally distributed with a mean of 257 feet and a standard deviation of 44 feet. Let X be the distance in feet for a fly ball. a. What is the distribution of X? X N b. Find the probability that a randomly hit fly ball travels less than 275 feet. Round to 4 decimal places. C. Find the 85th percentile for the distribution of distance of fly balls. Round to 2 decimal places. feet

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Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

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Q: Suppose a nomal distribution has a mean of 50 and a standard deviation of 3. What is Aes 47y OA 0.16…

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Q: he mean SAT verbal score is 448, with a standard deviation of 95. Use the empirical rule to…

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Q: A survey of 1000 women ages 20 to 30 found that their heights were normally distributed, with a mean…

A: (a) From the given information The mean is 65 in. and a standard deviation is 2.5 in. The mean x¯ of…

Q: Assume that X, the starting salary offer for psychology majors, is normally distributed with a mean…

A: Given,mean(μ)=47,507standard deviation(σ)=5,000

Q: The weights of 60 females in a physical education class are normally distributed with a mean of 135…

A: Obtain the Z-score for the random variable X equals 150 The Z-score for the random variable X equals…

Q: The systolic blood pressure of 18-year-old women is a roughly bell-shaped distribution with a mean…

A: We have given that.   X~N( μ , ?^2 )   μ =120 , ? =12   Z-score =( x - μ )/?

Q: In a normal distribution, 99.7% of the data fall within how many standard deviations of the mean? A.…

A: Solution-: In a normal distribution, 99.7% of the data fall within how many standard deviations of…

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 10 on a…

A: Heh there! Thanks for posting the question. Your question has more than three sub-parts. However, we…

Q: Given a distribution that has a mean of 37 and a standard deviation of 12, calculate the probability…

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Q: Suppose that the scores on a statewide standardized test have a bell shape distribution with a mean…

A: Given that Mean = 79,s.d=6 (b) P(X>97 )=? (c) P(X<73) =? (d)P(61<x<85) =?

Q: The prices of all college textbooks follow a bell- shaped distribution with a mean of $100 and a…

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Q: Suppose the average math SAT score for students enrolled at Madison College is 507.3 with a standard…

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Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

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Q: A college professor noted that the grades of his students in an introductory statistics class were…

A: Given,mean(μ)=28.50standard deviation(σ)=9

Q: Assume that the distribution of scores on a college entrance exam is normal, with a mean of 500 and…

A: We have to find z score and from z table probability.

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The mean length of a human pregnancy is 267 days, with a standard deviation of 12 days. Use the…

A: Given data,Mean μ=267sd σ=12P(243<X<291)=?

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below…

A: Given: Interval Frequency 30-39 1 40-49 3 50-59 8 60-69 3 70-79 15 80-89 31 90-99…

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Finding the lowest score that would qualify a student for an A grade:The points for the final exam…

Q: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 350 grams and a…

A: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 350 grams and a…

Q: a) About 68​% of organs will be between what​ weights? ​(b) What percentage of organs weighs between…

A: Let , X→N(μ=300 , σ=25) Use the empirical rule to determine the following :  (a) About 68​% of…

Q: The mean length of a human pregnancy is 265 days, with a standard deviation of 14 days. Use the…

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Q: Consider the normal distribution of IQs with a mean of 100 and a standard deviation of 16. What…

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Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 9 on a…

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Q: Suppose that the amount of sleep college students get per night has a symmetric, bell shaped…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 9 on a…

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Q: Suppose that, for a certain mathematics class, the scores are normally distributed with a mean of 75…

A: The mean is 75 and the standard deviation is 7.

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given data,Mean μ=247sd    σ=53

Q: The weights of 60 females in a physical education class are normally distributed with a mean of 135…

A: We want to tell you which one is the correct choice.

Q: Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution…

A: It is given that the annual salaries are distributed bell shaped (approximately normal) with mean of…

Q: an in adult males has a​ bell-shaped distribution with a mean of 350 grams and a standard deviation…

A: As per the empirical rule for normal distribution, 68%, 95% and 99.7% of the values lie within one,…

Q: Suppose the heights of the members of a population follow a normal distribution. If the mean height…

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Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

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Q: P(x) 0.186 1 0.362 0.295 3 0.128 0.027 4 5 0.002

A: From the provided information, The mean for the numbers of sleepwalkers in group of five can be…

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 10 on a…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: The mean length of a human pregnancy is 269 days, with a standard deviation of 10 days. Use the…

A: According to empirical rule.

Q: (d) What height is at the 20th percentile? (e) What height is at the 80th percentile? (f) What…

A: mean = 70 s = 4

Q: suppose the average time to fill a routine prescription at a local pharmacy is 35 minutes based on…

A: Given data,Mean μ=35sd    σ=11x=48z=?

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Given: μ=23.84σ=3.56 a) The Z score is obtained as below: z=x-μσ=20-23.843.56=-3.843.56=-1.08 Thus,…

Q: Suppose that the mean cranial capacity for men is 1040 cc (cubic centimeters) and that the standard…

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Q: Assume that the heights of adult puffins are normally distributed, with a mean of μ=μ= 15.9 inches…

A: Given data, μ= 15.9  σ= 2.7  n=28 mean of the distribution of x¯  =?

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Q: Assume that the distribution of scores on a college entrance exam is normal, with a mean of 500 and…

A: As per guideline expert have to answer first 3 subparts only.

Q: In order to set rates, an insurance company is trying to estimate the number of sick days that full…

A:

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.