QUESTION 20 In a car factory, we have many shift supervisors whom the distribution of their weekly wages follows the normal distribution with a Z score is 1.19, a mean is 875, and a standard deviation is 18. Calculate the average weekly wage? (Round answer to two decimal places ex. 2.09)

Q: Question 2: Studies indicate that small businesses (20-40 employees) in the U.S. spend an average of…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: QUESTION 6 In a car factory, we have many shift supervisors whom the distribution of their weekly…

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Q: Question 4 After some time has passed, all of the chickens lay full-sized eggs. (When chickens first…

A: A normal distribution is a continuous probability distribution that makes a bell-shaped curve of the…

Q: QUESTION 1 The life of an animal is normally distributed with a mean of 9 years and a standard…

A: Given ,sample size(n)=36mean(μ)=9standard deviation(σ)=1.5

Q: Question 5. (CHILDHOOD NEVER COMES BACK) Bubba bought a bubble blower machine which produced 3125…

A: Question 5. The symmetric bell shaped curve is, The proportion of bubbles have age more than 17…

Q: On a recent quiz, the class mean was 75 with a standard deviation of 4.6. Calculate the z-score (to…

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Q: Question 2: Scores on a history test have average of 55 with standard deviation of 10. What is the…

A: The mean is 55 and standard deviation is 10. The z-score for a student who earned a 95 on the test…

Q: Question 7 ▼ The amount of coffee that people drink per day is normally distributed with a mean of…

A: Let X be the random variable from normal distribution with mean (μ) = 16, standard deviation (σ) = 5…

Q: QUESTION 3 In a car factory, we have many shift supervisors whom the distribution of their woekly…

A: Given that  Let X denotes the weekly wages that follows normal distribution with mean= 538 and…

Q: QUESTION 11 Cholesterol. The American Heart Association reports that a total cholesterol score of…

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Q: QUESTION 12 On an exam with mean = 90 you have a score of X = 81. Which value for the standard…

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Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 71…

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Q: QUESTION 2 Given a uniform distribution with endpoints 4 and 22: What is the mean? What is the…

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Q: Question 13: The length of human pregnancies from conception to birth approximates a normal…

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

Q: The number of gallons of paint that Home Depot sells in a given day is normally distributed with a…

A: Given information- Population mean, µ = 218 gallons Population standard deviation, σ = 37 gallons We…

Q: Question 10 The liquid volume packaged in a bottle of A-brand orange juice follows a normal…

A: Solution

Q: QUESTION 1 In a car factory, we have many shift supervisors whom the distribution of their weekly…

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Q: Question 2: observed for a long period of time and found to have a mean of 20 customers. The exact…

A: Given : The number of customers per day at a certain sales counter X, has bee observer for a long…

Q: question 17 The patient recovery time from a particular surgical procedure is normally distributed…

A: Solution:   Let X be the recovery time from a particular surgical procedure  is normally distributed…

Q: Question 5 5 pts The average height of young adult females has a normal distribution with standard…

A: Given information Standard deviation= 4 inches Margin of error = 1 Confidence level = 94% = 0.94…

Q: QUESTION 10 Provide an appropriate response. A physical fitness association is including the mile…

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Q: Question 3 The times for 88 athletes who ran a 100 m sprint on the same track are shown below. All…

A: Given the data 10.2  10.8  10.9  10.3  10.2  10.4  10.1  10.4 (i) Mean = ∑1=18 xin              =…

Q: With the new mean and standard deviation, how many standard deviations away from the mean is the…

A: The standard deviation can be considered as the average difference between an observation and the…

Q: QUESTION 14 In a car factory, we have many shift supervisors whom the distribution of their weekly…

A: Given Z=-2.26μ=670σ=7

Q: question 6. The highway mileage (mpg) for a sample of 11 different models of a car company can be…

A: The mode is obtained below:   The given data set is 38, 24, 36, 21, 20, 32, 47, 31, 37, 41 and 37.…

Q: Question 4. In 2019, a study found the average American spent 2.77 hours a week in video calls, with…

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Q: QUESTION 13 na car factory, we have many shift supervisors whom the distribution of their weekly…

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Q: QUESTION 5 There are 37 employees in a particular division of a company. Their salaries have a mean…

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Q: QUESTION 18 In a car factory, we have many shift supervisors whom the distribution of their weekly…

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Q: QUESTION 10 A survey among freshmen at a certain university revealed that the number of hours spent…

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Q: Question 6 Assume that the readings at freezing on a bundle of thermometers are normally…

A: The question is about normal dist. Given : Popl. mean reading of thermometer ( μ ) = 00 C Popl. std.…

Q: a lower waiting time? The 10 randomly selected patients who went to the emergency room at rural…

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Q: Question 10: The distribution of waiting times at the student health center is bell-shaped with a…

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Q: QUESTION 5 Scores for an admittance exam are normally distributed with a mean of 70 and a standard…

A: Let "x" be the lowest score of a student.

Q: QUESTION 15 In a car factory, we have many shift supervisors whom the distribution of their weekly…

A: We have given that  X~Normal(mean=894 , standard deviation=8) Z-score=1.75

Q: ngineers must consider the breadths of male heads when designing helmets. The company researchers…

A: It is given that the mean is 6.5 and standard deviation is 0.7.

Q: QUESTION 31 Meera took a marketing management exam and she scored at the 90th percentile in her…

A: Given : μ = 80σ = 8.5

Q: QUESTION 15 A population of 19 scores has a sum of squared deviations value of SS = 76.00. What…

A: Given that Sum of squared deviations(SS)= 76.00 N= 19

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 7: An IQ test is administered. The test has a mean score of 100 and a standard deviation of…

A: Given that Mean=μ=100 Standard deviation=σ=15 Z-score=1.20 This distribution is normally…

Q: QUESTION 6 Suppose that total cholesterol in US men aged 35-44 can be modeled by a normal…

A: GivenMean(μ)=205standard deviation(σ)=37.8

Q: QUESTION 3 Based on the Normal model, with a mean of 100 and a standard deviation of 16 describing…

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Q: QUESTION 3 Two classes A and B of 200 students each take the same examination, out of 100 points.…

A: We can find probability using z table.

Q: Question 20 Los Angeles workers have an average commute of 32 minutes. Suppose the LA commute time…

A: Given that.   X~N( μ , ?^2 )   μ=32   , ?=14   Z-score =( x - μ )/?

Q: QUESTION TWo a) The weekly wages of employees of Volta gold are normally distributed about a mean of…

A: Givenmean(μ)=1250standarad deviation(σ)=120

Q: QUESTION 10 In a statistics course, the average student result is 73.3% with the standard deviation…

A: According to the given information in this question We need to find the z score at 2 decimal places

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

A: As per our guide lines we are suppose to answer only one question. Given,mean(μ)=6.4standard…

Q: QUESTION 39 The monthly expenditures on grocery shopping for all households in a town has a mean of…

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Q: Glucose levels in patients free of diabetes are assumed to follow a normal distribution with a mean…

A: Given information- Population mean, μ = 120 Population standard deviation, σ = 16 Let X be the…

Q: Question 5 A particular fruit's weights are normally distributed, with a mean of 744 grams and a…

A: Given X is normal Distributed with mean µ = 744.0 and standard deviation σ = 14.0 ,n=14 now will…