# Project #34677 - statistics

Question 1

A jar contains 58 blue marbles and 37 green marbles.

1.    If you randomly select a marble from the jar, what is the probability that you will get a blue marble?

a. Write out the fraction representing the probability.

b. Write the probablility as a decimal or a percent.

2.    If you are selecting a random sample of n=5 marbles and the first 4 marbles are all blue, what is the proability that the fifth marble will be green?

a.    Write out the fraction representing the probability.

b.    Write the probablility as a decimal or a percent.

Question 2

For a normal distribution of μ=534.00 and standard deviation σ =108.00â€¨

1.     What is the percentile rank for X = 412?

a.    z = ?

b.    Percentile rank = ?

2.     What is the percentile rank for X = 726?

a. z = ?

b. Percentile rank = ?

Question 3

A normal distribution has a mean of μ=168.00 and standard deviation σ =14.00. Find the following values.

1.    The 33rd percentile.

a.    What z-score value will you use?

b.    33rd percentile = ?

2.    The 76th percentile.

a.    What z-score value will you use?

b.    76th percentile = ?

 Subject Mathematics Due By (Pacific Time) 07/05/2014 12:00 am
TutorRating
pallavi

Chat Now!

out of 1971 reviews
amosmm

Chat Now!

out of 766 reviews
PhyzKyd

Chat Now!

out of 1164 reviews
rajdeep77

Chat Now!

out of 721 reviews
sctys

Chat Now!

out of 1600 reviews

Chat Now!

out of 770 reviews
topnotcher

Chat Now!

out of 766 reviews
XXXIAO

Chat Now!

out of 680 reviews