The population of weights of a particular fruit is normally distributed, with a mean of 325 grams and a standard deviation of 13 grams. If 2 fruits are picked at random, then 8% of the time, their mean weight will be greater than how many grams? Round your answer to the nearest gram.

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…

A:

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

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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: At McMeck High School they decided to calculate the average GPA of all 950 students.  The average…

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

A: Given that  Assume the readings on the thermometer is normally distributed . Mean  = 0 degree…

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Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: In a population of ages where the mean age is 45 and the standard deviation is 5.25, what are the…

A: Given mean age = 45Standard deviation = 5.25The Z score with 0.0505 to its left is -1.64 and the Z…

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

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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: a. n=2 ∑ni=1xi=20. The mean is b. n=4 ∑ni=1xi=80 The mean is

A: It is given that,Part a) Part b) To find the mean value in both cases.

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

A:

Q: Part 1 of 3 What is the probability that the sample mean cholesterol level is greater than 212? The…

A: The central limit theorem states that if you have a population with mean μ and standard deviation σ…

Q: Here are the weights of the bass from Tina’s sample: 12, 9, 15, 10, and 11.  We do not know the…

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Q: Data is given as per    40,   80,  100.   If the first two are equally important and the third (100)…

A: Given data: 40, 80, 100 First two are equally important and the third (100) is half as important as…

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

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

A: Let X denotes the random variable of the reading on the thermometers  X~N(0,1) We have to find the…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

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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: 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: number of hours per week that the television is turned on is determined for each family in a sample.…

A: Given that  Mean = 30 Median = 26.2

Q: A person completes a timed task and is told that their z-score for the task is 1.36. The mean for…

A: Given: Population mean (µ) = 10.75 Population standard deviation (σ) = 2.40 z-score = 1.36

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Q: You recorded the weekly distances you bicycled in miles and computed the standard deviation to be s…

A: Standard deviation(s)=2.3 miles

Q: y=3.1  n= 1.6 standard deviation  Find probability that the child spends less than 3.4 hours a day…

A: Given that If  y=3.1  n= 1.6 standard deviation

Q: The following table shows the systolic blood pressure of 5 women and 5 men.   Women 110 120 95…

A: Given: Women Men 110 114 120 128 95 120 140 152 125 100

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Q: A particular fruit's weights are normally distributed with a mean of 598 grams and a standard…

A: Given  mean= 598, standard deviations=34, n=4

Q: The mean time taken by all participants to run a road race was found to be 155 minutes with a…

A: Chebyshev's rule :  According to Chebyshev's rule, the probability that XX is within kk standard…

Q: A particular fruit's weights are normally distributed with a mean of 589 grams and a standard…

A: GivenMean(μ)=589standard deviation(σ)=28

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.