A particular fruit's weights are normally distributed with a mean of 598 grams and a standard deviation of 34 grams. Suppose you pick 4 fruits at random. 18% of the time their mean weight will be greater than how many grams? Round your answer to the nearest integer.

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Find the standard deviation of this number set: {2, 4, 9} showing all of the steps involved as shown…

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Q: The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30…

A: given data μ = 138σ = 8n = 30P(x¯ ≥140) = ?

Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

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Q: Find the standard deviation of the lengths of the wolves in the entire animal preserve.

A: The mean of the lengths of the wolves in the entire animal preserve is,…

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Find the standard deviation for the given data. Round your answer to one more decimal place than the…

A: Obtain mean of the sample data. Denote the values of the sample data by xi: xi: 223, 225, 300, 291,…

Q: The coefficient of variation CV describes the standard deviation as a percent of the mean. Because…

A: Given Data :  Below table will be used to calculate the mean and standard deviation   Height…

Q: On a survey, 8 students reported how many minutes it takes them to travel to school. Here are their…

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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

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Q: For a group containing 100 observations, the arithmetic mean and the standard deviation 9 a nd-/1O5…

A: In the given situation, there are 100 observations. The arithmetic mean is 8 and the standard…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

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Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

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Q: A couple plans to have 14 children. Assume that girl and boy births are equally likely. Find the…

A: A couple plans to have 14 children. Assume that girl and boy births are equally likely.

Q: sume that the readings on the themometers are normally distributed with a mean of 0" and standard…

A: We have find givan normal distribution...

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives…

A: The mean of this distribution is  a midpoint between the ends.  Mean = (4.6 + 0)/2 = 2.3 seconds

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

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Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

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Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

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Q: Suppose, you play a game, and the result is simply "win" or "lose". For every 15 games played, you…

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Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs. and the…

A: Let "X" be the weight of steers in a herd.

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: We have to calculate some summary statistics for given data.

Q: An archer can either hit or miss his target. The probability of hitting a target is 60.0% . Suppose,…

A: Given data : Probability (p) = 0.60 Number of Attempts (n) = 19 Binomial to normal Approximation is…

Q: 5. Two different 5th grade classes take the same test. In the first class of 50 students the mean…

A: Given the First class Sample size =50  Mean =70  Second class  Sample size =20  Mean =90 We have to…

Q: We have provided simple data sets for you to practice the basics of finding measures of variation.…

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Q: Suppose 26% of all small businesses are owned by a particular group of people. In a random sample of…

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Q: The average THC content of marijuana sold on the street is 10.8%. Suppose the THC content is…

A: Given, mean= 10.8  Standard deviation= 1 So, variance= 12=1 So, X~N(mean,variance)= N(10.8,1)…

Q: We have provided simple data sets for you to practice the basics of finding measures of variation.…

A: a) Range: Range is the difference between maximum and minimum value in a data set. In the given data…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: uppose you go to the grocery store and spend $92.54 for the purchase of 12 items . What is the mean…

A: Given that  Amount spent  = $92.54 Number of items bought = 12     We know that  Mean amount =…

Q: For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard…

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Q: Task: Consider a population consisting of the following data: 3, 5, 7, 9. 1. Solve for the…

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Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

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Q: We have provided simple data sets for you to practice the basics of finding measures of variation.…

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