For n = 100 and 1=0.4, use the normal distribution to approximate the following probabilities. a....
For n = 40 and 1 = 0.4, use the normal distribution to approximate the following probabilities. a. X=25 b. X> 25 c. X s 25 d. X<25 . a. The approximate probability that X = 25 is (Round to four decimal places as needed.)
For n = 40 and π= 0.6, use the normal distribution to approximate the following probabilities a. X 20 b. X>20 c. Xs 20 d. X <20
For n = 80 and 1 = 0.6, use the normal distribution to approximate the following probabilities. a. X= 50 b. X> 50 c. X 550 d. X<50 a. The approximate probability that X = 50 is 17. (Round to four decimal places as needed.)
For n 120 and a. X-40 b. X>40 c. Xs 40 d. X <40 0.2, use the normal distribution to approximate the following probabilities.
3. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. Give your answers to four decimal places. a) zc-0.74-1 b)2 >-0.74 c) z<1.47- d) -0.74 1.47-
Consider a binomial probability distribution with p 0.55 and n 7. Determine the probabilities below. a) P(x 2) b) P(xs1) c) Px>5) a) P(x = 2 (Round to four decimal places as needed.) b) Ps1)- (Round to four decimal places as needed.) c) P(X> 5)= □ (Round to four decimal places as needed.) Enter your answer in each of the answer boxes.
Given a normal distribution with u = 100 and o = 10, c. What is the probability that X < 75 or X>110? The probability that X < 75 or X>110 is .8475.
Suppose that X is a random variable that has a normal distribution with mean u= 5 and standard deviation o = 10. Evaluate the following probabilities: (a) Pr(X > 10) (b) Pr(X < 2) (c) Pr(6 < X < 11) (d) Pr((X – 10)2 < 12)
Given a normal distribution with μ-100 and σ-6, and given you select a sample of n-9, complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table a. What is the probability that X is less than 95? P(X 95) Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that X is...
Standard Normal distribution. With regards to a standard normal distribution complete the following: (a) Find P(Z > 0), the proportion of the standard normal distribution above the z-score of 0. (b) Find P(Z <-0.75), the proportion of the standard normal distribution below the Z-score of -0.75 (c) Find P(-1.15<z <2.04). (d) Find P(Z > -1.25). (e) Find the Z-score corresponding to Pso, the 90th percentile value.