A random variable has a normal distribution with a mean of 15 and a standard deviation of 2.5. Identify the equivalent X for a standard score of -2.15. O A. 19.65 O B. 9.63 OC. 20.38 O D. 34.60

Q: A normal distribution has a mean of 140 and a standard deviation of 3. Find the z-score for a data…

A: The objective of this question is to calculate the z-score for a data value of 142 in a normal…

Q: A normal distribution has a mean of 93 and a standard deviation of 5. Find the z-score for a data…

A:

Q: A distribution of values is normal with a mean of 184.5 and a standard deviation of 26.9. Find the…

A:

Q: normal distribution has a mean of 136 and a standard deviation of 4. Find the z-score for a data…

A: given data, normal distribution μ=136σ=4z score for a data value of 132=?

Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…

A:

Q: A normal distribution has a mean of 109 and a standard deviation of 4. Find the z-score for a data…

A: Let X be the random variable from normal distribution with mean (μ) = 109, standard deviation (σ) =…

Q: A normal distribution has a mean of 130 and a standard deviation of 4. Fing the z-score for a data…

A: The mean is 130 and the standard deviation is 4.

Q: A normal distribution has a mean of 100 and a standard deviation of 7. Find the z-score for a data…

A: The mean is 100 and standard deviation is 7.

Q: A normal distribution (X) has a mean of 100 and a standard deviation of 10. What is the probability…

A: A normal distribution (X) has a mean of 100 and a standard deviation of 10.

Q: Los Angeles workers have an average commute of 34 minutes. Suppose the LA commute time is normally…

A: Given information- Population mean, μ = 34 minutes Population standard deviation, σ = 14 minutes Let…

Q: A normal distribution has a mean of 113 and a standard deviation of 6. Find the z-score for a data…

A: A normal distribution has a mean of 113 and a standard deviation of 6.

Q: A normal distribution is observed from the body weights of the forty students in a class. If the…

A: Given information Mean (µ) = 125 Standard deviation(σ) = 9 As per empirical Rule 68% falls within…

Q: A normal distribution has a mean of 82 and a standard deviation of 3. Find the z-score for a data

A:

Q: A normal distribution has a mean of 108 and a standard deviation of 6. Find the z-score for a data…

A:

Q: A distribution of values is normal with a mean of 202 and a standard deviation of 91.5. Find P75,…

A: Obtain the score separating the bottom 75% from the top 25%. The score separating the bottom 75%…

Q: A normal distribution has a mean of 148 and a standard deviation of 5. Find the z-score for a data…

A: Solution: Let X be the data value. From given information, X has mean µ=148 and a standard deviation…

Q: A normal distribution has a mean of 85 and a standard deviation of 6. Find the z-score for a data…

A: We have given that Mean(µ) = 85Standard deviations (σ) = 6X ~ N (µ, σ )= N(85, 4) The z-score for…

Q: A normal distribution has a mean of 117 and a standard deviation of 4. Find the z-score for a data…

A:

Q: With a mean of 10 and standard deviation of 5. Assume that the population data are normally…

A: The mean is 10 and the standard deviation is 5.

Q: A normal distribution has a mean of 105 and a standard deviation of 7. Find the z-score for a data…

A: