The median of a normal distribution is 60. Then the mean of the distribution is O a. 0 O b. 60 O c. 120 O d. 30

Q: If you know that the variance of a normal distribution is 50, then to the nearest whole number, what…

A:

Q: For a normal distribution,the proportion in the tail beyond z = 1.50,p = 0.0668. Based on this…

A: Given: Z = -1.50

Q: In the standard normal distribution, approximately what values of z correspond to the … first and…

A:

Q: If you know that the variance of a normal distribution is 64, then to the nearest whole number, what…

A: Given,variance(σ2)=64

Q: 2. For a standard normal distribution, find the percentage of data that are between 3 standard…

A: 68% area cover from mean-1standard deviation to mean+1standard deviation  95% area cover from…

Q: Given a normal distribution with mean 30 and standard deviation 5, the value of x that has a 40.52%…

A: Q4) Given data, Mean=30 sd=5 P(X<x)=40.52% P(X<x)=0.4052 P(Z<-0.24)=0.4052 z=-0.24

Q: Consider a normal distribution, what probability is P(Z>0.75)?

A:

Q: In the normal distribution, Z,=Z, اختر احدى الدجابات O True False

A:

Q: For a Normal Distribution, what's the probability of selecting a z-score that is greater than z =…

A: P(z>1.64)=?

Q: For a normal distribution if mean is 21, the probability of a value greater than 21 is a 0 b 05 C…

A: We have given that  Mean=μ=21  Standard deviation=σ X~Normal(μ=21,σ=σ)

Q: In a standard normal curve, if P(z>n) = 98.81%, what is the value of n? A -1.22 B -2.26 2.26 1.22

A:

Q: Find the values of the 60th, 70th, and 80th percentiles of a normal distribution for which Mean and…

A: Given: mean:  μ=10  standard deviation : σ=10

Q: ? a. z = 0.91 b. z = -0.91 c. z = 0.43 d. z = -0.43

A: Solution

Q: Find the proportion of the normal distribution that is associated with the following sections of a…

A:

Q: For a normal distribution with m= 70 and s = 10, what is the minimum score necessary to be in the…

A: It is given that the for a normal distribution with m= 70 and s = 10. X~N(70,102) We have to find…

Q: What z score, in a normal distribution, corresponds to Q1?   0.25 0.67 -0.67 correct answer is not…

A: First quartile:The first quartile is the middle-most observation or median of the lower half of the…

Q: What proportion of a normal distribution is located between the mean and z= -1.56? (a) .9406 (b)…

A: Z score = -1.56

Q: Given a normal distribution with μ = 70 and σ = 7, what is the probability that: (i)      X < 60

A:

Q: For a normal distribution, find the z-score location that divides the distribution as follows:…

A: Obtain the value of Z that separates the top 40% from the rest. The value of Z that separates the…

Q: The mode of a normal distribution is 65.5 and the standard deviation is 8.4. Then, what is the…

A: Given that, The value of mode is, 65.5 The value of standard deviation is, 8.4

Q: If the area to the left of æ in a normal distribution is 0.719, what is the area to the right of æ?…

A: We know that that is of the normal distribution is nothing but its probability value. For any…

Q: There are many different ways to determine whether or not a data set has a normal distribution. O…

A: Find your answer below

Q: In a normal distribution, what z-score value separates the highest 90% of the scores from the rest…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: D. pl-H.20 <26-0.80

A:

Q: If the area to the left of xx in a normal distribution is 0.548, what is the area to the right of…

A:

Q: For a normal distribution with a mean of μ = 90 and a standard deviation of σ = 5, what is p(X>87)?…

A: We have given the following information about the normal distribution Mean = 90 Standard deviation…

Q: f mean = 25, median = 30, and standard deviation = 15, the distribution will be: (a) Symmetrical (b)…

A:

Q: Find the mean and the standard deviation of this normal distribution 20% 20 36

A:

Q: Suppose you have a normal distribution with mean 16. If you are given a data value of 14, would you…

A: We have to find out z score...

Q: Given a normal distribution with mean 150 and standard deviation 25, find the indicated probability.…

A:

Q: If the area to the left of x in a normal distribution is 0.41, what is the area to the right of x?…

A:

Q: Given a normal distribution with µ = 100 and o = 10 what is the probability that (A) X > 75? Answer:…

A: Given Data: Mean=100 SD=10     X~ Normal (100, 102)

Q: For a normal distribution where the mean is 50 and the standard deviation is 10, what percentage of…

A: The random variable X follows normal distribution with mean 50 and standard deviation 10. The…

Q: The median of a normal distribution is 60. Then the mean of the distribution is O a. 60 O b. 0 O c.…

A: From the given information, The median of the normal distribution is 60.

Q: What percentage of a normal distribution is within 2 standard deviation of the mean? A. About 50 %…

A: Normal distribution has a distribution curve with bell shape and this curve is symmetric about its…

Q: Find the 99th percentile of a normal distribution with mean 5 and variance 1. 1.28 .99 O 1.645 7.33

A: Given that mu =5,s.d =1,p value =0.99

Q: For a normal distribution with µ = 500 and σ = 100, find the following values:           a.   What X…

A: Solution: Let X be the score. From the given information, X follows normal distribution with mean…

Q: For a Normal Distribution, what z-score separates the bottom 87.70% from the remainder of the…

A: Given that for a Normal distribution, the z score separates the bottom 87.70% from the remainder of…

Q: Which statement accurately describes the proportions in the tails of a normal distribution? O The…

A: Normal distribution has a bell shaped curve, where proportions in both the left-hand and right-hand…

Q: If the area to the left of xx in a normal distribution is 0.28, what is the area to the right of xx?…

A: The total area under the normal curve is always 1.

Q: Given a normal distribution with mean of 80 and standa assumes a value greater than 76 is 0.3085.

A:

Q: In a bell-shaped, normal distribution,   a. mode = 0   b. median > mean   c. median < mean…

A: Given that  X~N( μ, sigma^2) In bell shaped normal distribution.

Q: A z-score of + .35 is equal to or greater than what percentage of cases in a normal distribution a.…

A: Given: The z-score is: z=0.35 We need to determine a z-score of 0.35 is equal to or greater than…

Q: If the area to the left of x in a normal distribution is 0.474, what is the area to the right of x?…

A: From the provided information, The area to the left of x is 0.474. That is P (X &lt; x) = 0.474

Q: If the area to the left of xx in a normal distribution is 0.683, what is the area to the right of x?…

A:

Q: Given a normal distribution with μ=45 and σ=5​,     What is the probability that X>37​?…

A:

Q: The bottom 80% of a normal distribution is below what z-score? Group of answer choices Z = +0.84…

A:

Q: For a standard normal distribution, find c ifP(z &gt; c) = 0.7668

A:

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.