# distribution

Z has a standard normal distribution. If the value of P(Z<a)=0,8997, what is the value of a?

1. 👍 0
2. 👎 0
3. 👁 100
1. http://davidmlane.com/hyperstat/z_table.html

1. 👍 0
2. 👎 0
posted by Damon

## Similar Questions

1. ### stats

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The

asked by Anonymous on September 26, 2016
2. ### stats

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The

asked by Anonymous on September 26, 2016
3. ### MATH

Which of the following normal distributions has the smallest spread? A. A normal distribution with mean 1 and standard deviation 3 B. A normal distribution with mean 0 and standard deviation 2 C. A normal distribution with mean 3

asked by KARINA on December 7, 2010
4. ### statistics

The respiratory rate per minute in newborns varies according to a distribution that is approximately Normal with mean 50 and standard deviation 5. The proportion of observations from a standard Normal distribution that take values

asked by Jen on July 9, 2013
5. ### stat

Which of the following statements is true about the t-distribution with k degrees of freedom? i. the t-distribution is symmetric ii. the t-distribution with k degrees of freedom has a smaller variance than the t-distribution with

asked by Anonymous on May 2, 2007
6. ### stats

Suppose the mass of college students can be modeled by the normal distribution. We believe the mean of the normal distribution is 72 kg. We randomly sample 18 students and find an average of 69 kg and a standard deviation of 4kg.

asked by judy on March 31, 2010
7. ### Statistics

Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability

8. ### Statistics

What is the difference between normal distribution and approximate normally. Correct me if im wrong but I think the parameters of Normal is X~Normal (mu, standard deviation) but then approx. normal is X~Normal (mu, variation) im

asked by Sarah on December 18, 2014
9. ### STAT- important

What is the difference between normal distribution and approximate normally. Correct me if im wrong but I think the parameters of Normal is X~Normal (mu, standard deviation) but then approx. normal is X~Normal (mu, variation) im

asked by Sarah on December 18, 2014
10. ### statistic

1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has a normal distribution, the mean and

asked by Sonia on August 24, 2011
11. ### Statistics

1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has a normal distribution, the mean and

asked by Jackie on April 19, 2010

More Similar Questions