If the random variable X has a general normal distribution with a mean of 3 and a variance of 9. then calculate: a. Odds between 2 and 5 b. Big chance from zero

Q: Given a normal distribution with a mean of 150 and a standard deviation of 10, what is the…

A: Given information Mean µ = 150 Standard deviation σ = 10

Q: For a Normal Random Variable X with a mean of 80 and a Standard Deviation of 7, find P(73<X<94)

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Q: Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), determine…

A: Let z denote the standard normal distribution with mean of 0 and standard deviation of 1. (a) The…

Q: Given a normal distribution whose mean is 590 and whose standard deviation is 74, find the…

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Q: In a normal distribution, if P(X ≤ k) = 0.90, then k is the 90th percentile. TRUE of FALSE

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Q: Suppose Z shows a standard normal distribution with mean 0 and standard deviation of 1. Find the…

A: Given:Population mean=0Population standard deviation=1Type of distribution is standard normal…

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

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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: For a standard normal distribution, determine the following probabilities. a) P(D1.43) b) P(D-0.40)…

A: a)P(z&gt;1.43)=?

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

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

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

A: It is been asked to find the probability that X assumes a value between 55 and 74 using given…

Q: Given a normal distribution with mean = 100 and standard deviation = 10, what is the probability…

A: The distribution of X is a normal distribution as follows X~N(100, 10)

Q: For a normal distribution with a mean of u = 30 and o = 10, what is the probability of selecting an…

A: Given : A normal dist. with Mean (μ) = 30 Standard deviation (σ) = 10 Let X be a normal variable…

Q: Given a random variable X follows a Normal distribution with mean 10 and standard deviation 5, what…

A: Given that, Mean = 10 Standard deviation = 5

Q: Suppose that the random variable X has a geometric distribution with a p = 0.4. Calculate the…

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Q: Suppose the random variable xx has a normal distribution with μ=300μ=300 and σ=30σ=30. Find the…

A: Given: μ=300, σ=30.

Q: if Z is a standard normal variable, find the probability the probability that Z is less than 1.13

A: Standardized z-score: The standardized z-score represents the number of standard deviations the data…

Q: Suppose a random variable x is best described by a normal distribution with = 60 and o=4. Find the…

A: The mean is 60 and the standard deviation is 4.

Q: If z is a standard normal variable, find the probability that z lies between -2.41 and 0.

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Q: If P(Z>z1)=D0.10 in the standard normal distribution, which of the following is the closest value…

A: P(Z&gt;z1)=0.10 z1=?

Q: given a standardized normal distribution with a mean of 0 and a standard deviation of 1 as in table…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Suppose the random variable X follows a normal distribution with mean 30 and variance 81. Then the…

A: According to the given information, we have Mean = 30 Variance = 81

Q: For a standard normal distribution, find: P(z>-2.11) Calculator > Next Question

A: Required probability is P(Z&gt;-2.11)

Q: Given a normal distribution with μ=45 and σ=5​   For this​ distribution, 9​% of the values are…

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Q: Given the probability distribution of the random variable X below, compute for the variance and…

A: Given :

Q: Derive the variance of the Student's t distribution.

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

A: Given problem Given that   Given a normal distribution u = 100 o = 10 The Probability that X&gt;75…

Q: Given a standard normal distribution (with a mean of 0 and a standard deviation of 1) what is the…

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

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Q: Suppose you are taking samples from a normal distribution with mean 7 and variance 9. If you observe…

A: Given a normal distribution with mean 7 and variance 9

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: 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: Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), determine…

A: We will use Std. Normal table to find the required probabilities. Note : According to our guidelines…

Q: Given a normal distribution with u = 50 and o= 4 what is the probability that 5% of the value are…

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

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Q: Suppose the random variable X follows a normal distribution with mean 30 and variance 81. Then the…

A: Normal Distribution :  A normal distribution is the proper term for a probability bell curve. In a…

Q: For the standard normal distribution, which of the statements below is correct? A. Standard…

A: In the standardized form, the normal distribution has a mean equal to zero and standard deviation…

Q: Given that we have a normal distribution with mean 73 and standard deviation of 13 for an English…

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Q: Suppose that X has the normal distribution for which the mean is 1 and the variance is 4. Find the…

A: It is given that X follows N(mean = 1, SD = √4 = 2), then Z = (X - mean)/SD follows N(0,1)

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

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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: Find the standard deviation of the random variable X with the given probability distribution. * 1 2…

A: For the given data S.D =?

Q: For a standard normal distribution, if we have P(z < c) = 0.9663, find c.

A: Note: We have found the value using standard normal table and verified it using EXCEL for increased…

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

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Q: Assume the random variable x is normally distributed with mean μ=8585 and standard deviation σ=44.…

A: From the question, it is given that x is random variable that follows normal distribution with mean…

Q: For a normal distribution with a mean of µ = 500 and a standard deviation of σ = 25, find each of…

A: Given that, Mean = 500 Standard deviation = 25

Q: 2. For a Normal Distribution where u = 3 and o = 3, where does approximately 95% of the scores fall…

A: Empirical rule :  According to empirical rule ,  1)68% of data falls within the first standard…

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

A: