7. Assume z is a standard normal random variable. Then P(-1.20 < z s 1.50) equals 0.4332 .3849 .8181 .0483

Q: 4. If a random variable X with the following distribution has mean value of 0.6, find -10 1 2 P(X=x)…

A: We have given that  Probability mass function.  E(x)= ∑x×p(x)E(x2)=∑x2×p(x)Var(x)=E(x2) - [E(x)]2

Q: Given that z is a standard normal random variable, compute the following probabilities (to 4…

A: Standard Normal distribution :

Q: bie XIDUa to dětérminė to 5 décimal places the following proba (a) P(Z 1.45) = (d) P(7

A: as per policy I have calculated first 3 subparts kindly REPOST for remaining  Here use standard…

Q: X is a binomial random variable with n=20 and p=.4. Find P(X < 12)   Question 3 options:   .994…

A:

Q: X is a random variable having  normal distribution  , mean  = 15 and standard deviation = 0.6.…

A:

Q: suppose x is a normally distributed random variable with u=16 and O=2. find each of the following…

A: Note: According to bartleby experts question answers guidelines an expert can solve only first three…

Q: Q16. Ris a Binomially distributed Random Variable such that r~ B(10,0.4). Which of these statements…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: Let X be a random variable with expected value 2 and variance 13. According to the Chebyshev…

A: Step 1:Given that :Expected value(mu)=2Variance(Var)=13X is the random variable.P(∣X−2∣≥0.25)≤Step…

Q: 27. Suppose X is a normal random variable with u = 500 and o = 75. Find the value of the following.…

A: Consider X be a random variable, which follows normal distribution with mean = 500 and standard…

Q: Assume z is a standard normal random variable. Then P(-1.2 sz s 1.04) equals. O a. 0.0341 Ob. 0.3849…

A: Z has follows standard normal distribution with mean zero and standard deviation one.

Q: Use Appendix Table III to determine to 5 decimal places the following probabilities for the standard…

A: Dear student according to the guidelines we solve only first three subparts only. Solution Here Z is…

Q: Find the following probabilities for the standard normal rando variable z: (a) P(-0.71 ≤z≤ 1.87)=…

A: The following probabilities for the standard normal random variable z: (a) P(-0.71 ≤ z ≤ 1.87(b)…

Q: 98% Suppose that X and Y are two independant normally distributed random variables with means 5 and…

A: E(x)=5, E(y)=10 Var(X)=9, Var(Y)=16 X and Y are independent.

Q: An extreme Type Il random variable X has parameters u = 6.9 andk= 4.9. What is the probability that…

A: Given that a random variable X follows an extreme Type II distribution with parameters u=6.9 and…

Q: R is a Binomially distributed Random Variable such that r~ B(10,0.4 Which of these statements are…

A: 16 Given information: R is Binomially distributed random variable with B(10, 0.4) That is, n=10 and…

Q: Suppose that X₁,..., X, are independent and identically distributed random variables from a standard…

A: see the attachment......

Q: X is a binomial random variable withn= 10 andp = 0.9. Which of the following statements is false?…

A: Given Data: n=10 p=0.9   X~ Binomial (10, 0.9)

Q: Р(0 <Z < 2.17) b. Р(0 $Z < 1) а.

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: 14. Which is a discrete random variable? OX = "weight of the microprocessor inside your computer"…

A: We want to find discrete random variable.

Q: Circle your answer below. (a) P(zc)=0.6480 , then the value of e is closest to: Circle your answer…

A:

Q: Let xbe a Bernoalli random variable with mean of 0.6. Find the var(2x) اختر احدى الدجابات None 0.9…

A: GivenLet X be a Bernoalli (p=0.6)

Q: Z is a standard normal random variable. Use Excel to find Pr(Z < -1.31). Enter your answer as a…

A: given data standard normal distributionZ~N(0,1)P(z&lt;-1.31)=?

Q: 4. If z is a standard normal random variable,find the probability of each event: a) P(z > −1.11)…

A: Given: z is a standard normal variable. (a) P (z&gt;-1.11) P (z&gt;-1.11) = 1-P(z&lt;-1.11)…

Q: Use Appendix Table III to determine to 5 decimal places the following probabilities for the standard…

A:

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

A: 1)

Q: Consider a normally distributed random variable X with a mean u = 30 and a standard deviation ? = 2.…

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

Q: True or False, For a standard normal random variable Z, P(0 < Z < 1.2) = P(-1.2 < Z < 0 )?

A:

Q: For a standard normal random variable Z~ Normal(0, 1), find the following probabilities: a) P(Z >…

A: Answer:- Given, Standard normal random variable Z~ Normal(0, 1).  Using method, We use standard…

Q: Find the probability P(x is less than or equal to 80)based on the corresponding binomial…

A:

Q: If Z is a standard normal random variable, then P(-1.25<= Z <= -0.75)

A: Given that, Z scores are -1.25 and -0.75

Q: B3. Suppose that a random variable X is governed by the binomial distribution B (n, p) with mean…

A: Given  X~Bin(n,p) Mean=2.4 and variance=0.48

Q: The random variable X follows the binomial distribution with an expected value of 4.8 and a variance…

A: Given that  X ~ Binomial (n , p) Mean = 4.8 Variance = 0.96

Q: (a) P(-1.44 1.34) = (e) P(Z < -4.33) = hay need to use the appropriate appendix table or technology…

A: According to given information there are more than three subparts according to bartleby guidline we…

Q: If a random variable X has the x² distribution with degree of freedom 7. Then P(2.167 < X < 6.346) =…

A:

Q: Suppose X is a binomial random variable with n=100 and p=0.3. Estimate P(X=40) by using the normal…

A:

Q: Find the following probabilities for the standard normal random variable z: (a) P(−2.19 ≤ z ≤ 2.2) =…

A: We will use Std. Normal table to find the required probabilities.