Given a random variable X normally distributed, with standard deviation10 and P (X less than 40) = 0.0080, calculate the mean.
Given a random variable X normally distributed, with standard deviation10 and P (X less than 40)...
Assume that the random variable X is normally distributed, with mean mu equals 53μ=53 and standard deviation sigma equals 10σ=10. Compute the probability. Upper P left parenthesis Upper X less than or equals 40 right parenthesis(X≤40)equals=
6.33 Let x be a continuous random variable that is normally distributed with a mean of 25 and a standard deviation of 6. Find the probability that x assumes a value a. between 28 and 34 b. between 20 and 35 6.34 Let x be a continuous random variable that has a normal distribution with a mean of 30 and a stan- dard deviation of 2. Find the probability that x assumes a value a. between 29 and 35 b....
Assume the random variable x is normally distributed with mean y = 50 and standard deviation o=7. Find the indicated probability P(x > 40) P(x >40) - (Round to four decimal places as needed.) Assume the random variable x is normally distributed with mean = 88 and standard deviation o = 4. Find the indicated probability P(76<x<85) P(76<x<85)= (Round to four decimal places as needed.) Assume a member is selected at random from the population represented by the graph. Find...
A random variable X is normally distributed with a mean of 2 and a standard deviation of 1.4. Calculate the point c such that P ( X ≥ c ) = 0.5.
Assume that the random variable X is normally distributed with mean p = 60 and standard deviation o= 8. Compute the probability P(X <70). 0.1056 0.9015 0.8849 0.8944
Assume the random variable x is normally distributed with mean u50 and standard deviation a= 7. Find the indicated probability P(x> 40) P(x > 40)= (Round to four decimal places as needed.)
QUESTION 5 Mean and Standard Deviation. Assume that the random variable X is normally distributed, with mean - 70 and standard deviation 8 16. Which of the following is the probability P(X <90)? (CHOOSE ONE ANSWER) (4 points) 0.8944 0.8849 0.1056 0.9015 QUESTION 6 Human Pregnancies. The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 days. Find the probability of a pregnancy lasting less than 250 days. (CHOOSE...
A random variable is normally distributed with a mean of μ = 50 and a standard deviation of σ = 5. What is the probability that the random variable will assume a value that is less than 40? Make sure your answer is between 0 and 1, round to four digits.
X is a normally distributed variable with mean p = 30 and standard deviation o = 4. Find P(x < 40)
Let X be a continuous random variable that is normally distributed with a mean of 65 and a standard deviation of 15. Find the probability that X assumes a value less than 46. Round your answer to four decimal places. P=???