According to the rules only one question will be answered.
41 1. If X is a normal N(4,64) distribution, find (a) P(6 X 14) (b) P(X-5.2)...
Given a standard normal distribution, find the value of k such that (a) P(Z > k) = 0.3050; (b) P(Z <k) = 0.0367 (c) P(-0.96 <Z <k) = 0.7221 Click here to view page 1 of the standard normal distribution table Click here to view page 2 of the standard normal distribution table (a) k= (Round to two decimal places as needed.) (b) k = (Round to two decimal places as needed.) (c) k= (Round to two decimal places as...
6. Assume that x has a normal distribution with the specified mean and standard deviation. Find the following probability: ?(10 ≤ ? ≤ 26); ? = 15, ? = 4 ___________________ Find the z-value such that 5.2% of the standard normal curve lies to the left of z. ___________________
1) Binomial distribution, f(x) = px (1 – p) n-x , x = 0, 1, 2, …, n n = 10, p = 0.5, find Probabilities a) P(X ≥ 2) b) P(X ≤ 9) 2) f(x) = (2x + 1)/25, x = 0, 1, 2, 3, 4 a) P(X = 4) b) P(X ≥ 2) c) P(X ≥ -3) 3) Z has std normal distribution, find z a) P(-1.24 < Z < z) = 0.8 b) P(-z < Z <...
4. Given a standard normal distribution, find the value of k such that a. P(Z > k) = 0.3015 b. P(k < < < -0.18) = 0.4197
1) a normal distribution has a mean of 84 and standard deviation of 6 . find the z score corresponding to an x value of 76 2) a normal distribution has a mean of 55 and standard deviation of 2.7 . find the z score corresponding to an x value of 62
Please show the work ! Find the value of Z for the standard normal distribution such that the area a) in the left tail is 0.1000 b) between 0 and Z is 0.2291 and Z is positive c) in the right tail is 0.0500 d) between 0 and Z is 0.3571 and Z is negative 1) 2) Find the following binomial probabilities using the normal approximation a) n- 70, p-0.30, P(x-18) b) n-200, p 0.70, P(133 x S 145) c)...
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.
14. Given a standard normal distribution, find: (For full credit need to draw the curve and shade the area) a) P(−1.13 < z < 3.11). b) P (0.21 < z < 0.81).
1) Given a standard normal distribution, find the probability of having a z score higher than 1.67 ```{r} ``` 2) Given that test scores for a class are normally distributed with a mean of 80 and variance 36, find the probability that a test score is lower than a 45. ```{r} ``` 3) Given a standard normal distribution, find the Z score associated with a probability of .888 ```{r} ``` 4) Find the Z score associated with the 33rd quantile...
Distribution A: xi Distribution A: P(X=xi) Distribution B: xi Distribution B: P(X=xi) 0 0.03 0 0.49 1 0.08 1 0.23 2 0.17 2 0.17 3 0.23 3 0.08 4 0.49 4 0.03 What is the standard deviation for distribution B? What is the standard deviation for distribution B? 0 0.49 1 0.23 2 0.17 3 0.08 4 0.03