Let x be a normally distributed random variable with the following parameters: μ = 135.628 σ = 28.622   13 What is the probability that x will be between  94.126  and  177.130 a 0.7313 b 0.7698 c 0.8103 d 0.8529

Q: Consider selecting a household at random in the rural area of a country. Define the random variable…

A: Given: xP(x)10.1420.17830.2240.2650.15260.02170.01980.00590.004100.001Total1

Q: If X is a discrete uniform random variable ranging from 1 to 8, find P(X > 1).  a. 0.7500 b. 0.8750…

A: It is given that X is a discrete uniform random variable ranging from 1 to 8.

Q: If Zis a standard normal random variable, then P(-1.25 ≤ Z ≤ -0.75) is: Select one: O O a. 0.1210 b.…

A: Z is a standard normal random variableP(-1.25z-0.75)

Q: Suppose z is a normal random variable. Find P ( Z < 1.84 ).

A:

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38​%. A random sample of 32 of…

A: The probability of the mean childhood asthma prevalence for the sample is greater than 2.7​% is…

Q: Let Z be a standard normal random variable. What is the value of k if P(Z < k) = 0.0127 O 2.23…

A: Solution: From the given data, Z be a standard normal random variable We have to find the value of k…

Q: Find the following probability for the standard normal random variable z. e. P(z 20) f. P(-2.54…

A: We have given that  X~N( 0 , 1)    μ = 0    , ? = 1   Z-score =( x - μ )/?   Note:-According to…

Q: The random variable X has the following probability distribution.…

A: X      1       2      3 P(X) 0.5   0.2    0.3 We select a random sample of size 2 (with…

Q: Assume that Z is a standard normal random variable. If P(Z<0.06)%3D0.52, which one of the following…

A: we haveto find given probability

Q: For a standard normal random variable Z, P(|Z|<1.30) is closest to: A     0.1936 b     0.4032 c…

A: Option (c) is correct

Q: Let X be a random variable with the following probability distribution: X -4 3 5 f(x) 0.3 0.2 0.5…

A: Given,E(X)=∑X.f(X)

Q: For a standard Normal random variable find the following probabilities. a. X is less than 1.72 b. X…

A: a. X is less than 1.72 P(X&lt;1.72)=? =0.9573

Q: z is a standard normal random variable. The P (-1.20  z  1.50) equals     a. 0.8181   b. 0.4332…

A: Given  A multiple choice question based a random variable.

Q: The discrete random variable X has the following probability distribution: -10 0 10 p(x) 0.20 0.40…

A:

Q: Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3…

A: population mean : μ = E(x)

Q: Find the standard deviation of each random variable shown. The mean for part a is 2.3​, and the mean…

A:

Q: What value of the x axis marks the top 25% of the distribution?

A: Given:  Let x be a normally distributed random variable with the following parameter: mu=125…