Mallory bought 6 roses for her mother.two sixth of the roses are red 4/6 are yellow.Did Mallory buy fewer red roses or yellow ro
2 answers:
You might be interested in
a. Let be a random variable representing the weight of a ball bearing selected at random. We're told that
, so
where . This probability is approximately
b. Let be a random variable representing the weight of the
-th ball that is selected, and let
be the mean of these 4 weights,
The sum of normally distributed random variables is a random variable that also follows a normal distribution,
so that
Then
c. Same as (b).