Question

Determine the value for x assuming that X is normally distributed with a mean of 15...

  1. Determine the value for x assuming that X is normally distributed with a mean of 15 and a standard deviation of 2. Please answer using Excel formulae/functions.

(a) P(X < 11)

(b) P(X > 0)

(c) P(3 < X < 7)

(d) P(-2 < X < 9)

(e) P(2 < X < 8)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Let X be normally distributed with mean μ = 17 and standard deviation σ = 8....
Let X be normally distributed with mean μ = 17 and standard deviation σ = 8. [You may find it useful to reference the z table.] a. Find P(X ≤ 1). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(X > 5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find P(7 ≤ X ≤ 15). (Round "z" value to 2 decimal places and final...
suppose that x is normally distributed with mean 45 and standard deviation 10. Determine the following...
suppose that x is normally distributed with mean 45 and standard deviation 10. Determine the following a) P(X>63.3) b) P(X>30) c) P(35<x<45.9) d) find the value of a that satisfies the equation P(45-2a <X <45+2a) = 0.9516
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).
.x is normally distributed with a mean of 27 and a standard deviation of 9. Take...
.x is normally distributed with a mean of 27 and a standard deviation of 9. Take a random sample of n = 9 observations and imagine that you have calculated a sample mean Xbar. What is the P(Xbar < 33) )? What is the population mean , sd value and Z score ? .x is normally distributed with a mean of 27 and a standard deviation of Take a random sample of n = 9 observations and imagine that you...
Let X be normally distributed with mean μ = 2.5 and standard deviation σ = 2....
Let X be normally distributed with mean μ = 2.5 and standard deviation σ = 2. Use Excel to answer the following questions. Find k such that P(k ≤ X ≤ 2.5) = 0.4943.  Round your answer to 2 decimal places.
Assume X is normally distributed with a mean of 4.3 and a standard deviation of 6....
Assume X is normally distributed with a mean of 4.3 and a standard deviation of 6. Determine the value for x that solves each of the following. Round the answers to 2 decimal places. a) P(X<x)=0.95
A normally distributed population has a mean of 500 and a standard deviation of 60. a....
A normally distributed population has a mean of 500 and a standard deviation of 60. a. Determine the probability that a random sample of size selected from this population will have a sample mean less than . 9 455 b. Determine the probability that a random sample of size selected from the population will have a sample mean greater than or equal to . 25 532 a. P x < 455 = (Round to four decimal places as needed.) b....
Let X be normally distributed with mean μ = 12 and standard deviation σ = 6....
Let X be normally distributed with mean μ = 12 and standard deviation σ = 6. [You may find it useful to reference the z table.] a. Find P(X ≤ 0). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(X > 3). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find P(6 ≤ X ≤ 12). (Round "z" value to 2 decimal places and final...
A random variable is normally distributed with a mean of 15 and a standard deviation of...
A random variable is normally distributed with a mean of 15 and a standard deviation of 2.5. Find P(X > 20) Find P(X < 16.25) Find P(13.125 < X < 17)
1.Suppose X is a random variable that is normally distributed with mean 5 and standard deviation...
1.Suppose X is a random variable that is normally distributed with mean 5 and standard deviation 0.4. If P (X≤X0) = P (Z≤1.3). What is the value of X0.? Select one: 2.00 5.52 6.90 4.48 2.Suppose X is a random variable that is normally distributed with a mean of 5. If P (X≤3) = 0.2005, what is the value of the standard deviation? Select one: σ = 2.38 σ = −2 σ = 1.38 σ = 2
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT