events (world record) 1975 1985 1995 ...

events (world record) 1975 1985 1995 ...

Use the accompanying table of standard scores and their percentiles under the normal distribution to find the approximate standard score of the following data values. Then state the approximate number...

I know the forumla for the Z-score and the Raw-score, i'm just unsure of how to plug in. There three different students, but if you could just help me figure out one that owuld be helpful! Question: 3...

Compute the interquartile range (use formula/process in question #4 to compute the percentiles)This is what my question 4 was...(For the scores 4, 6, 9, 10, 13, 15, 17, 19, 20, and 22, calculate the...

Compute the interquartile range (use formula/process in question #4 to compute the percentiles) This is what my question 4 was...(For the scores 4, 6, 9, 10, 13, 15, 17, 19, 20, and...

1. Find the 5th percentile of the standard normal distribution 2. Find the 66th percentile for a normal distribution with mean -7, standard deviation 6 3. On a test the scores are...

According to an article from Fox News on March 5, 2014, 46% of Hispanic women have out-of-hospital births. To further investigate this, you sample 80 Hispanic women. What is the probability that at...

1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89

A random variable x has a normal distribution in the 50th percentile for x is 5. What is the mean of x?

I have been given values for 10%, 50% and 90% of a distribution. From these numbers, how can I compute the mean and standard deviation? I'll give an example....Temperature distribution 10th...

Need help answering this question: If a student scores a 54% and is in the 90th percentile, how well did the class do?

Scores for an entry exam to a university are normally distributed with a mean of 75 and a standard deviation of 6.5: a) If the top 5% are admitted with a full scholarship, what is the lowest score...

find the 75th and 90th percentiles for the data 0-100