if z is a random variable that has the standard normal distribution, find the respective values of z1, z2, z3, z4 such that (d) P(−z4 F Z < z4) = 0.9700.
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if z is a random variable that has the standard
(d) P(−z4 F Z < z4) = 0.9700.
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- Assume Z is a random variable with a standard normal distribution and c is a positive number. If P(Z>c)=0.1 then P(−c<Z<c)=0.8. True or FalseAssume the random variablex is normally distributed with mean u= 86 and standard deviation o = 4. Find the indicated probability. P(x<79) P(x<79)%3D P(x<79) =(Round to four decimal places as needed.)5
- Suppose X is a random variable of uniform distribution between 1 and 7. Find E(X)Suppose X is a normal random variable with mean u = 17.5 and o = 6. A random sample of size n = 24 is selected from this population. a. Find the distribution of b. Find P(X < 14) and P(X < 14) Find P(15If z is a standard normal random variable and P(-zya normal distribution has a mean of u=60 with o=15. if one score is randomly selected from the distribution, what is the probability that the score will be greater than x=35The random variable x has a normal distribution with mean 50 and variance 9. Find the value of x, call it x0, such that: a) P(x ≤ xo) = 0.8413 b) P(x > xo) = 0.025 c) P(x > xo) = 0.95 d) P(41 ≤ x ≤ xo) = 0.8630If ZZ is a random variable from a standard normal distribution and if P(Z<b)=0.72P(Z<b)=0.72, then P(Z<−b)=0.28P(Z<-b)=0.28. true or falseRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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