Question 2 A particular fruit's weights are normally distributed, with a mean of 718 grams and a standard deviation of 6 grams. If you pick one fruit at random, what is the probability that it will weigh between 720 grams and 728 grams Submit Question

Q: The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and…

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Q: Question 1: If X is normally distributed with mean 32 and standard deviation 4. Find the probability…

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Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

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A: The length of a fully grown hibiscus plant is normally distributed. Mean (μ) = 35cm

Q: Question 1: A random variable X is distributed nomally with mean 508 and standard deviation 32. For…

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Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Let, X is the number of houses that were burglarized. X~Binomialn=50,p=0.05

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Q: Question No. 5 "Chief Grill" is a local restaurant, its annual data shows that the average sale of…

A: Given, Mean μ =1200 Standard deviation σ = 102 a) =P(x< 1000)= P ( x- μ /σ < 1000 - μ /σ )=P(z…

Q: QUESTION 21 The lifetime of a new battery used in a digital clock has a mean of 300 days and a…

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Q: Question 1 > A manufacturer knows that their items have a normally distributed length, with a mean…

A: Given  data   μ=17.2  inches   σ=4.9  inches  normal  distribution

Q: Assume that a human pregnancy has a population mean of 280 days and a population standard deviation…

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Q: Question 4) (6 points) According to the Department of Health, Statistics Students sleep an average…

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Q: Question 2 – Normal Distribution The time needed to complete a final examination in a particular…

A: Given Information: Mean μ=160 minutes Standard deviation σ=20 minutes. (a) To find the probability…

Q: Question 4 (a) At a certain community college, the time that is required by candidates to complete…

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Q: QUESTION 19 A random sample of n = 169 scores is selected from a population whose mean = 195 and…

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Q: Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean of 8…

A: Given that  Mean = 8 Standard deviation = 2 Find P(X = 8 )

Q: QUESTION 19 The amounts of times that adults sleep are normally distributed with a mean of 6.8 hours…

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Q: It is known that the “Stats is Awesome” webpage takes on average 7 seconds to load (m = 7) with a…

A: Given info: The loading time of webpage (x) is normally distributed with mean 7 sec. and standard…

Q: Assume that a human pregnancy has a population mean of 280 days and a population standard deviation…

A: Suppose, X be the number of days human pregnancy stays before giving birth. Given that X follows…

Q: answer. The table is inserted. i. Find the standard deviation σ. [4] ii. When plants are chosen for…

A: Given Information Mean µ = 35 P(X>45) =0.05 P (Z > z) = 0.05 P(Z <z) = 1 – 0.05 =0.95 (i)…

Q: Question 6 – The average starting salary of this year's graduates of a large university (LU) is…

A: Hi, thank you for the question. As per our Honor code, we are allowed to attempt first three sub…

Q: QUESTION 3 a) The waiting time at an elevator in a shopping mall is approximately normally…

A: Given that  X~N( μ = 3.2 , ? = 1.5 ) μ = 3.2 , ? = 1.5 Z-score =( x - μ )/? Note: According to…

Q: QUESTION 4 Three marbles are drawn from a bag containing 5 yellow marbles, 3 green marbles, and 12…

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Q: Question 3 A set of final examination grades in an introductory statistics course is normally…

A: Given problem Given that A set of final examination grades in an introductory statistics course is…

Q: Question 5. The number of traffic accidents per year in a given highway follows a Poisson…

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Q: QUESTION 3 A two-tail test for the population mean µ produces a test-statistic Z= 1.89. From the…

A: Normal distribution is a continuous distribution which has many real life applications. A standard…

Q: Question 1 A barometer is used to measure average daily atmospheric pressure. The daily pressure is…

A: Given that,  X~N(mu=1012hPa, sigma=12hPa)  We have to find P(X>1030 hPa) and P(1002…

Q: QUESTION 5 A manufacturer of a lightbulb claimed that its lightbulbs have a mean lifetime of 700…

A: GivenMean(μ)=700standard deviation(σ)=120sample size(n)=144

Q: QUESTION 4:   If the average yield of cucumber acre is 800 kg, with a variance 1600 kg, and that…

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Q: Question 2: The Distribution of the Sample Mean Smartphones are designed to function between 0 and…

A: Given,mean(μ)=3standard deviation(σ)=0.9sample size(n)=36T0=The total temperature

Q: QUESTION 2 Considering the same data: The weekly probability for the number of sold cars by a car…

A: The probability distribution for the number of sold cards by a car salesman is given.

Q: A requirement for business graduate school is the GMAT. The GMAT is normally distributed with a mean…

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Q: Question 8 The weight of frogs ih grams in a marsh population are normally distributed with mean (u)…

A: Given population mean μ=23, standard deviations σ=1.3,  Let X be the frog weight X~N(μ=23,σ=1.3)…

Q: Question 9 A particular fruit's weights are normally distributed, with a mean of 718 grams and a…

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Q: Question [3]: Extensive data, including that the number of activities per week can be modeled as a…

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Q: Question 3 Janice measures the circumferences of the trunks of trees in the woods near her house for…

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Q: QUESTION 19 A new electric car has batteries that can power the car for a certain amount of time. Of…

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Q: Question 19: The range of a battery of a newly produced  Electric vehicle is normally distributed…

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Q: Question 5: A company uses varying amounts of a chemical compound each month. The amounts vary…

A: Mean is 150 and a standard deviation is 16.  Sample size 12.

Q: Question 5 A particular fruit's weights are normally distributed, with a mean of 695 grams and a…

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Q: QUESTION 13 A life insurance salesman sells on the average 5 life insurance policies per week. Use…

A: Answer - Given, A life insurance salesman sells on the average  5  life insurance policies per week.…

Q: Question 6: If the random variable X has a normal distribution with mean 40 and std. dev. 5,…

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Q: Question 1: A random variable is distributed normally with mean 3200 and standard deviation 800.…

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Q: Exhibit 6-4 The starting salaries of individuals with an MBA degree are normally distributed with a…

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Q: The annual yield

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Q: Question 14: A bottling company uses a filling machine to fill plastic bottles with an orange juice.…

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Q: QUESTION 3 The length of an injection-molded plastic case that holds magnetic tape is normally…

A: Given : μ=90σ=2X~N(μ=90,σ2=(2)2) We want to find,P(X<87 or X>93)=?

Q: Pregnancy Length Question 2 The length of human pregnancies from conception to birth varies…

A: Solution: Let X be the length of human pregnancies from conception to birth. From the given…