Complete the PDF. P(X = x) x• P(X = x) 0.1 0.4 0.2 O Part (a) Find the probability that X = 2. O Part (b) Find the expected value. 1. 2. 3.

Q: Find the probability that x is between five and 12. (Round your answer to four decimal places.) X…

A: From the given information,  Consider, X be the random variable such that X~Nμ=9,σ=2

Q: What is the variance and standard deviation for profit? Fill out the table below to help you…

A:

Q: X P(x) 0 0.05 1 0.25 2 0.05 3 0.65 Find the standard deviation of this probability distribution.…

A: Given that  Probability distribution.  X 0 1 2 3 P(x) 0.05 0.25 0.05 0.65

Q: Please help me solve this

A: Given : probability of dying in first year = 0.004550 probability of dying in the second year =…

Q: x 25 50 75 100 Total P(x) .10 .34 .36 .20 1.00 (a) Find the probability expressions. (Round your…

A:

Q: Complete this PDF and find the expected value of X:

A: The P(x) for X = 2 is calculated as follows: PX=2=1-0.3+0.2+0.4               =1-0.9…

Q: Consider the population described by the probability distribution shown in the table. The random…

A: μ=E(X)=∑xP(X=x)

Q: The plot to the right shows the probability function of a random variable Z. Estimate the needed…

A: For the given plot Find P ( z >=3 or z =-1 ) = ? P ( z >=3 ) +P(  z =-1 ) = P( z = 3 ) + P( Z…

Q: Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to…

A: Given: P(X|Y)=0.2, P(Y')=0.1 and P(X|Y')=0.7.

Q: Let x have an exponential distribution with = 0.3. Find the probability. (Round your answer to four…

A: Given that, The random variable is exponentially distributed. X~Exp(λ=0.3) The probability…

Q: P(x) 0.1 0.3 0.2 0.3 0.1 Find (?(?≥1) Find the expected value (mean) of ?.

A:

Q: Let x have an exponential distribution with 2 = 1. Find the probability. (Round your answer to four…

A:

Q: Mail Order A mail order company has a 9% success rate. If it mails advertisements to 562 people,…

A: The random variable mail advertisements follow binomial distribution. The value of the success rate…

Q: The table below shows the probability distribution of the random variable X. a. Find the mean of the…

A: Given information: x ​P(X=​x) 1 0.2 2 0.1 3 0.7

Q: Complete the PDF. P(X = x) x• P(X = x) 0.1 1 0.2 2 3 0.4 3 O Part (a) Find the probability that X =…

A: The provided information are: x P(X=x) x.P(X=x) 0 0.1 0 1 0.2 0.2 2 0.3 0.6 3 0.4 1.2…

Q: Let x have an exponential distribution with 2 = 0.3. Find the probability. (Round your answer to…

A: From the provided information, X follows an exponential distribution with λ = 0.3

Q: Let X and Y be the number of tables and chairs in an office. p(x, y) of X and Y is given in the…

A: From the given information, the joint density for X and Y is,   y=0 y=1 y=2 y=3 x=1 0.05 0.06…

Q: ind the mean and standard deviation for the probability distribution below. Round to two decimal…

A: Calculate the following values. x p(x) x*p(x) x2*p(x) 1 0.214 0.214 0.214 2 0.048 0.096…

Q: Find the probability of the indicated event if P(E)= 0.25 and P(F) = 0.35. Find P(E or F) if P(E and…

A: Addition rule will applied here

Q: nd the standard deviation. (Enter an exact number as an integer, fraction, or decimal.) x P(x)…

A: Given data, x P(x) 2 0.1 4 0.3 6 0.4 8 0.2 Find the standard deviation?

Q: The profits of a mobile company are normally distributed with Mean of R.O (D x 10) and standard…

A: