For a standard normal dataset, what is the probability Z is less than -2.0? Round to four decimals and use leading zeros.
For a standard normal dataset, what is the probability Z is less than -2.0? Round to...
The probability that a standard normal random variable Z is less than -3.5 is approximately 0. True False
Find the indicated probability using the standard normal distribution. P(-3.12<z<0) round to four decimals places as needed
If the value of x is less than μ for a standard normal probability distribution, then the z-statistic is positive the z-statistic is negative the z-statistic is equal to zero f(x) will be an even number
a) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal places. You may need to use the appropriate table in the Appendix of Tables to answer this question.) P(Z > 1.07) = b) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal...
Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.24 ≤ z ≤ 2.64) = Shade the corresponding area under the standard normal curve.
Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.22 ≤ z ≤ 2.61) = Shade the corresponding area under the standard normal curve.
Given that z is a standard normal random variable, compute the probability that it takes on a value that is: - either greater than 2 or less than -2. - that it takes on a value between -2 and -1. - that it takes on a value between 1 and 2. Answer must be between 0 and 1, round to four decimal places.
For a standard normal distribution, what is the probability that z is greater than 1.75?A. 0.0401B. 0.0459C. 0.4599D. 0.9599
Assume you have a normal distribution. What is the probability of obtaining a z less than the following ? +1.645 +2.322 -0.620 -7.091 -0.950
given that z is a standard normal random variable what is the probability that z ≥ -2.12? a. 0.966 b. 0.017 c.4830 0.9830 From a population of 200 elements, a sample of 49 elements is selected. It is determined that the sample mean is 56 and the sample standard deviation is 14. The standard error of the mean is a. 3 b. 2 c. greater than 2 d. less than 2