In a normal distribution with a u = 50 and o = 10, which of the following scores would have the highest probability of being selected randomly? 45 O 51 O 20 65 OO OC

Q: If the random variable Z has a standard normal distribution, then P(1.17≤Z≤2.26) is?

A: Given:   The random variable Z has a standard normal distribution.

Q: Let X be a random variable that follows the normal distribution with mean 39 and variance 11. Answer…

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Q: Find the following probability by using the Standard Normal distribution table: 1) P(0.85 <Z s 2.23)

A: Note: Please repost 4th question as i can answer only 3 subparts as per my policy 1)

Q: Read the z statistic from the normal distribution table and choose the correct answer. For a…

A: From the provided information, Level of significance (α) = 0.0048 The test is lower tail.

Q: Given SAT scores from a normal distribution, with u = 550, and o = 95, random sample of n = 20; Wha…

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Q: In a study of life expectancy in a certain region, the mean age at death was 70 years, and the…

A:

Q: If z is a standard normal variable, find the probability.P(z &gt; 0.59)

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: Given a normal distribution with µ= 101 and o = 10, and given you select a sample of n= 25, complete…

A:

Q: Suppose a random variable Y has a chisquare distribution with 18 degrees of freedom, then the 10th…

A: Given : Degree of freedom, df = 18

Q: A normal distribution has μ = 20 and σ = 4.  What is the probability of randomly selecting a score…

A: Obtain the probability of randomly selecting a score greater than 25 from this distribution. The…

Q: If random samples, cach with n- 25 scores, are selected from a normal population with u - 50 and o-…

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Q: Given a normal distribution with µ = 50 and o = 5, if you select a sample of n = 100, what is the…

A: According to bartleby policy I have solved first three subparts of this question. I hope it will…

Q: Given a normal distribution with μ=50 and σ=4​, and given you select a sample of n=100​, What is…

A:

Q: If z is a standard normal variable, find the probability: P(-0.73 &lt; z &lt; 2.27)

A: Given information: z is a standard normal variable with mean 0 and standard deviation 1.

Q: Given a normal distribution with μ=101 and σ=25​, and given you select a sample of n=25​, What is…

A:

Q: Given that z is a standard normal random variable, what is the probability that -2.51 SS-1.532…

A: Given Data: z represents the standard normal distribution   To Find: P(-2.51&lt;z&lt;-1.53)

Q: Given a normal distribution with µ = 50 and o = 5, if you select a sample of n = 100, what is the…

A:

Q: In a pizza takeout restaurant, the following probability distribution was obtained for the number of…

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Q: Given a normal distribution with µ = 101 and o = 20, and given you select a sample of n = 16,…

A: Sampling distribution of x¯ : If simple random sample of size n is drawn from Normal population with…

Q: Consider a random variable, z, that has a standardized normal distribution. Determine the following…

A: We have given that,  Z from the standard normal distribution with mean (μ) = 0 and standard…

Q: Suppose the random variable Z follows a standard normal distribution. Then the value of P(-2.21 < Z…

A: P(-2.21&lt;Z&lt;-1.39)=?

Q: Suppose the random variable Z follows a standard normal distribution. Then the value of P(-2.21 <…

A: The Random variable Z follows a standard normal distribution We need to calculate

Q: For a standard normal distribution, what is the probability that z is less than -2.777 O A. 0.9972…

A: From the provided information, The distribution is standard normal and the z value is less than…

Q: if Z is a standard normal variable, find the probabilitythe probability that Z is greater than -1.82

A: Conclusion: The required  probability that Z is greater than -1.82 is 0.9656.

Q: If X represents a random variable coming from a normal distribution and P(X 6.5) = 0.59. True O…

A: It is given that P(X&lt;6.5)=0.41.

Q: Find the following probability by using the Standard Normal distribution table: 1) P(0.85 1.75) 4)…

A: 1)

Q: here is a 61​% chance that x̄ is above what​ value?

A: Let , X→N(μ=101 , σ=25) , n=25 By using central limit theorem , The sampling distribution of the…

Q: Given a normal distribution with μ=103 and σ=15​, and given you select a sample of n=9​, What is…

A: Given : A normal distribution with μ=103 and σ=15​ n = 9

Q: Given a standardized normal distribution, what is the value of Z if only 12.1% of all possible Z…

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Q: if Z is a standard normal variable, find the probabilitythe probability that z lies between -1.10…

A: We have given that Z is standard normal variable. We have to find probability that- P (-1.10 &lt; Z…

Q: Given a normal distribution with µ = 101 and o = 10, and given you select a sample of n= 25,…

A: Given problem Given that

Q: It is known that the distrubution is a standard normal distribution. If Z is a random variable and…

A: We have P(Z&gt;c)=0.22⇒1-P(Z≤c)=0.22⇒P(Z≤c)=0.78⇒c=Φ-1(0.78)=0.7722 Then,…

Q: В. Do the following. Find the variance and standard deviation of the probability distribution of a…

A: Variance=EX2-E2(X)=121033+2213+321233-11033+213+31233=4.90909090909-2.060606060612=0.662993572067…

Q: Suppose the random variable Z follows a standard normal distribution. Then the value of P(Z > -1.00)…

A: The z value is -1.00.

Q: Given a normal distribution with μ=50 and σ=4​, and given you select a sample of n=100​,   There…

A:

Q: Given a random variable X having a normal distribution with µ=62 and o=15, find the probability that…

A: Random variable X is normally distributed with a mean of 62 and a standard deviation of 15.

Q: If X has a normal distribution, which of the following is true about the shape (distribution) of the…

A: Given that, X has a normal distribution

Q: Given a normal distribution with μ=103 and σ=15​, and given you select a sample of n=9​, What is…

A: Given that μ = 103 σ = 15 we need to calculate the P ( X &lt; 92 )

Q: Given a normal distribution with u = 100 and o = 10, what is the probability that a. X> 75? b. X…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: According to a college survey, 22% of all students work full time. Find the standard deviation for…

A: From the provided information, According to a college survey, 22% of all students work full time…

Q: Find the following probability for the standard normal distribution. (Round to the hundredths) P(Z…

A: We have to find given probability.

Q: Let X be a random variable that follows the normal distribution with mean 32 and variance 6. Answer…

A:

Q: Find  the following probability for a normal distribution p(z < -1.50) p =

A: Obtain the probability of z less than –1.50. The probability of z less than –1.50 is obtained below:…

Q: Given a normal distribution with u= 101 and o= 25, and given you select a sample of n = 25, a. What…

A:

Q: For a t-distribution with 13 degrees of freedom, what is the probability that a t-score will be…

A: Given that: t-Distribution with t= 1.771 and degree of freedom(df)= 13 Now will use standard…

Q: If z is a standard normal variable, find the probability. P(z>0.68)

A:

Q: Given a normal distribution with μ=103 and σ=15​, and given you select a sample of n=9​, What is…

A: GivenMean(μ)=103standard deviation(σ)=15sample size(n)=9

Q: Given a normal distribution with u = 100 and o = 10, what is the probability that a. X > 75? b. X…

A: As per our guidelines we are suppose  to answer three sub parts. Given,mean(μ)=100standard deviation…

Q: If X does not have a normal distribution, which of the following is true about the shape…

A: This is based on central limit theorem.