The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 years. There are 300 members in the group.

The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 years. There are 300 members in the group.

The weights of members of a baseball league are normally distributed with a mean of 176 pounds and a standard deviation of 11.4 pounds. Consider a league membership of 120 members.

The ages of people in a movie theater are normally distributed with a mean of 32 years and a standard deviation of 6.2 years. (round to nearest tenth)

A normal distribution has a mean of 102 and a standard deviation of 2.9.

new-car lease fees: 169, 169, 199,239, 239,249

People with z-scores above 2.5 on an IQ test are sometimes classified as geniuses.

Hello! I am doing a task in mathematics, about statistics and probability. This task i am struggelig with asks following: In a business there is 26...

A part of my statistics project says to do "shape, center, and spread of distributions" with the information I collected from an experiment. I think that has to do with the bell curve...

The weight of a sperm whale’s brain is normally distributed with a mean of 15.5 pounds and a standard deviation of 3.6 pounds. What is the probability a randomly selected sperm whale will have a brain...

For the entire population of MMA fighters, the mean endurance is 30 with a standard deviation of 4.18. A distribution of the sample means is created on endurance with sample sizes of 12 and a standard...

a. A highly selective school decides that it will consider only applicants with a score in the top 5%. What will be the minimum score (cutoff point) that you must have in order to be considered for...

It is for a quiz

The variance is taken to solve it and to show the s2= |a+b| 2 I don't know why ...

standard deviation

I'm not much on higher math but would I use "n" or "N-1"

The mean lifetime of a certain tire is 30,000 miles and the standard deviation is 2500 miles. If we assume nothing about the shape of the distribution, approximately what percentage of all...

The distribution of the weights of 100 students has a mean of 168lbs with a standard deviation of 16lbs. Predict the number of students who have weights between 135 and 175 pounds.

Statistics thank you please

mean 6.3 standard deviation 1.49 students scores: 4,5,5,6,6,6,7,7,8,9

MEAN : 6.3 MODE:6 MEDIAN:6 STUDENTS SCORES: 4,5,5,6,6,6,7,7,8,9 STANDARD DEVIATION: 1.49

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