A random variable, x, has a normal distribution with u = 15.9 and o = 2.80....
A random variable, x, has a normal distribution with p - 15.9 and 0 = 2,80. Determine a value, x0, 50 that: a. P(x>xo) -0.05 XO (Round to one decimal place as needed.) b. Pixsxo) -0.975 Xo (Round to one decimal place as needed.)
A random variable, x, has a normal distribution with μ = 15.9 and σ = 2.80. Determine a value, x0, so that: a. P(x>x0) = 0.05 x0 = ______ . (Round to one decimal place as needed.) b. P(x≤x0) = 0.975 x0 = ______ . (Round to one decimal place as needed.)
A random variable, x, has a normal distribution with μ = 15.9 and σ = 2.80. Determine a value, x0, so that: a. P(x>x0) = 0.05 x0 = ______ . (Round to one decimal place as needed.) b. P(x≤x0) = 0.975 x0 = ______ . (Round to one decimal place as needed.)
A random variable, x, has a normal distribution with u = 11.6 and 6 = 2.50. Determine a value, Xo, so that a. P(x>xo) = 0.05. b. P(xsxo) = 0.975. c. P(H-Xo xxx H +0) = 0.95. a. Xo = (Round to one decimal place as needed.) b. Xo (Round to one decimal place as needed.) C. XO (Round to one decimal place as needed.)
6. Let X be a normal random variable with mean u = 10. What is the standard deviation o if it is known that p (IX – 101 <>) =
of the random variable x. Suppose x is a normally distributed random variable with u = 34 and 0 = 4. Find a value a. P(x 2 Xo)=5 b. P(X<Xo) = .025 c. P(x>x) = 10 d. P(x > Xo) = .95 Click here to view a table of areas under the standardized normal curve. a. Xo = (Round to the nearest hundredth as needed.)
(4.1) Suppose X is a random variable with normal distribution with u = 2 and o = 2. Compute the following probabilities in terms of the function o (the distribution function of a standard normal distribution). (a) P[O < X < 3). (b) P[X > 2] (c) P[X < 1)
Assume Z is a random variable with a standard normal distribution and c is a positive number. If P(Z > c) = 0.25, then PC – c< < c) = 0.5. O True OFalse Exactly 50% of the area under the normal curve lies to the left of the mean. O True OFalse If X represents a random variable coming from a normal distribution and P(X < 5.2) = 0.5, then P(X > 5.2) = 0.5. O True O False
If a random variable X has the gamma distribution with ?= 2 and ?= 1, find P(1.8 <X < 2.6). P( 1.8 < X < 2.6)= | | (Round to four decimal places as needed.)
Suppose X is a normal random variable with mean u = 50 and standard deviation o = 11. (a) Compute the z-value corresponding to X = 36. (b) Suppose the area under the standard normal curve to the left of the Z-value found in part (a) is 0.1016. What is the area under the normal curve to the left of X = 36? (c) What is the area under the normal curve to the right of X = 36? (a)...