QUESTION 19 Consider the price has a normal distribution. The price Mean is 84, and the price Standard deviation is 8.What is the probability the price will be between 94 and 76? O 0.736 O 0.336 O 0.836 O 0.136

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: According to the provided information, Mean (μ) = 100 Standard Deviation (σ) = 10

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

A: Given: μ=266σ=16 X~N(μ,σ)=N(266,16)

Q: QUESTION 11 The mean and median of the uniform distribution are always equal. True O False

A: Let the Uniform distribution defined on (a,b)

Q: QUESTION 7 A certain machine makes electrical resistors having a mean resistance of 50 ohms and a…

A:

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: Mean(μ)= 100  standard deviation(σ) = 10

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: X follows a Normal distribution with mean = 100 and S.D = 10 Then z=(x-mean)/SD = (x-100)/10…

Q: QUESTION 15 A certain machine makes electrical resistors having a mean resistance of 50 ohms and a…

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Q: Question 10 Determine the standard deviation of the prices of the 100 cars sold by the auto dealer…

A: When data is given by a set containing the data points, then it is termed as raw data. To analysis…

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: QUESTION 24 If X has a normal distribution with mean 60 and standard deviation 6, which value of X…

A: Given data,Mean μ=60sd     σ=6if z=1.96X=?

Q: Question 6 The heights of students in a class are normally distributed with mean 68 inches and…

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Q: QUESTION 8 A certain brand of batteries has a lifetime that has a normal distribution with a mean of…

A: We have to find given probability..

Q: Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3…

A: A sample of 49 stores; n=49 Sample mean is 19 and sample standard deviation is 7 x=19s=7α=0.05

Q: Chapter 06, Section 6.4, Problem 043 A study has shown that 23% of all college textbooks have a…

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Q: QUESTION 9 If X has a normal distribution with mean 60 and standard deviation 6, which value of X…

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Q: QUESTION 17 Consider the price has a normal distribution. The price Mean is 83, and the price…

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Q: QUESTION 3 The distribution of the number of hours of sleep people get per night is unimodal and…

A: Provided information is, The distribution of the number of hours of sleep people get per night is…

Q: Question 15 The grades for a standardized test are normally distributed with a mean of 65 and a…

A:

Q: QUESTION 10 Find P(11 < X < 15) if X is normally distributed with a mean of 14 and standard…

A: Given mean μ =14standard deviation σ =2

Q: college graduates is $25,450. Suppose that that distribution is normal and that the standard…

A:

Q: Question 3 According to the Empirical rule, what percent of the data should be between 174 and 846…

A: Given information- Population mean, μ = 510 Population standard deviation, σ = 168 We have to find…

Q: The starting salaries of individuals with an MBA degree are normally distributed with a mean of…

A: Given data mean=$40,000 standard deviation=$5000

Q: QUESTION 3 Consider the price has a normal distribution. The price Mean is 99, and the price…

A:

Q: with mean = 100 and standard deviation (σ) = 10,  w hat is the probability that X < 81?

A: Given that  Normal distribution with  Mean (μ) = 100 Standard deviation (σ) = 10   We know that…

Q: QUESTION 6 A certain machine makes electrical resistors having a mean resistance of 50 ohms and a…

A: According to bartleby expert guidelines we can answer only first question. Rest can be repost. In…

Q: Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted.... Given…

Q: Question 3  Suppose Andrew earns $45,000 EC per month. The average salary for everyone in Andrew’s…

A: Given  Andrew earns $45,000 EC per month The average salary for everyone in Andrew’s company is $41,…

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 4 of 10 Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What…

A: Mean μ=98 Standard deviation σ=98

Q: Question 6 x is a normally normally distributed variable with mean μ = 21 and standard deviation o =…

A:

Q: Question 3 Suppose Andrew earns $45,000 EC per month. The average salary for everyone in Andrew's…

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

Q: Question Eight: The length of a machined part is known to have a normal distribution with a mean of…

A: Given :  The length of a machined part is known to have a normal distribution with mean of 100 mm…

Q: QUESTION 14 Consider the price has a normal distribution. The price Mean is 95, and the price…

A:

Q: QUESTION 6 Heights of men on a baseball team have a bell-shaped distribution with a mean of 167 cm…

A: According to the empirical rule.

Q: QUESTION 16 A certain machine makes electrical resistors having a mean resistance of 50 ohms and a…

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Q: Question 16 The time it takes a student to finish this exam follows an exponential distribution with…

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Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A: Given a normal distribution (X) with μ= 100 and σ = 10.

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 3 A small local business has an average of 130 customers per day, with a standard deviation…

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Q: Question 12 A patient visits her doctor with concerns about her blood pressure. If the systolic…

A: Solution: Let X be the patients systolic blood presssure reading during a given day has a normal…

Q: QUESTION 21 Suppose that lead-time demand is normally distributed with a mean of 250 units and a…

A: (21) Given that,μ=250,σ=50 Consider that firm wants to maintain a 95% service level The amount of…

Q: Question 5 Weights of a certain model of fully loaded gravel trucks follow a normal distribution…

A: Given: The mean weight of a certain model of fully loaded gravel trucks is μ=6.4 tons. The standard…

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 1 Ester throws a dice 15 times. What is the standard deviation of the number of sixes that…

A: We have to find out standard deviation.....

Q: Question 8 If X is normally distributed with a mean of 30 and a standard deviation of 2, find P(30 <…

A: GivenMean(μ)=30standard deviation(σ)=2

Q: Given a normal distribution (X) with mean = 100 and standard deviation (σ) = 10,  w hat is the…

A:

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 1 A certain machine makes electrical resistors having a mean resistance of 50 ohms and a…

A: Let, X=resistance Given that X follows a normal distribution with mean=50 and standard deviation=4…

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

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Q: Question 1 Consider a sample with a mean of 30 and a standard deviation of 2.5. Use Chebyshev's…

A: