Question

Let X distributed as a Normal random variable with a mean of 15 and a standard...

Let X distributed as a Normal random variable with a mean of 15 and a standard deviation of 3. A) What is the probability associated with an outcome between (12, 18)? (Example answer ##%) B) What is the probability associated with an outcome between (9, 21)? (Example answer ##%) C) What is the probability associated with an outcome between (12, 21)? (Example answer ##.#%)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Let X distributed as a Normal random variable with a mean of 15 and a standard...
Let X distributed as a Normal random variable with a mean of 15 and a standard deviation of 3. A) What is the probability associated with an outcome between (12, 18)? B) What is the probability associated with an outcome between (9, 21)? C) What is the probability associated with an outcome between (12, 21)?
2. Let the random variable Z follow a standard normal distribution, and let z1 be a...
2. Let the random variable Z follow a standard normal distribution, and let z1 be a possible value of Z that is representing the 10th percentile of the standard normal distribution. Find the value of z1. Show your calculation. A. 1.28 B. -1.28 C. 0.255 D. -0.255 3. Given that X is a normally distributed random variable with a mean of 52 and a standard deviation of 2, the probability that X is between 48 and 56 is: Show your...
A: Let z be a random variable with a standard normal distribution. Find the indicated probability....
A: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≤ 1.11) = B: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≥ −1.24) = C: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.78 ≤ z...
Assume that the random variable X is normally distributed, with mean 80 and standard deviation 15...
Assume that the random variable X is normally distributed, with mean 80 and standard deviation 15 Compute the probability P(X > 79).
1)     let X be a continuous random variable that has a normal distribution with a mean...
1)     let X be a continuous random variable that has a normal distribution with a mean of 40 and a standard  deviation of 5. Find the probability that X assumes a value:        a. between 32 and 35   b. between 41 and 50        c. greater than 43     d. less than 49
A random variable X is normally distributed. It has a mean of 254 and a standard...
A random variable X is normally distributed. It has a mean of 254 and a standard deviation of 21. List the givens with correct symbols: ? (σ N X̄ μ s X p n) = 254 ? (X̄ n σ s X p μ N) = 21 a) If you take a sample of size 21, can you say what the shape of the sampling distribution for the sample mean is?   ? Yes No Why or why not? Check all...
Let x be a normal random variable with mean equal to 40 and standard deviation equal...
Let x be a normal random variable with mean equal to 40 and standard deviation equal to 5 a) P(x>55)=? b) P(x<49)=?
Let z be a normal random variable with mean 0 and standard deviation 1. What is...
Let z be a normal random variable with mean 0 and standard deviation 1. What is P(-2.25 < z < -1.1)? a 0.3643 b 0.8643 c 0.1235 d 0.4878 e 0.5000 Let zbe a normal random variable with mean 0 and standard deviation 1. The 50thpercentile of zis ____________. a 0.6700 b -1.254 c 0.0000 d 1.2800 e 0.5000 Let zbe a normal random variable with mean 0 and standard deviation 1. The 75thpercentile of zis ____________. a 0.6700 b...
A standard normal random variable is a random variable that is normally distributed with mean equal...
A standard normal random variable is a random variable that is normally distributed with mean equal to 1 and standard deviation equal to 1. Group of answer choices True False
A normal random variable x has mean ? = 1.7 and standard deviation ? = 0.12....
A normal random variable x has mean ? = 1.7 and standard deviation ? = 0.12. Find the probability associated with each of the following intervals. (Round your answers to four decimal places.) (a)     1.00 < x < 1.40 (b)     x > 1.34 (c)     1.25 < x < 1.50
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT