14/15 - 5/12
Common denominator is 60.

56/60 - 25/60
= 31/60 as fraction.
= 0.516 as decimal.
Answer:
The standard error of the mean = 2
Step-by-step explanation:
Given that:
The standard deviation σ = 14
The sample size n = 49
The sample mean
= 56
The formula for calculating the standard error can be expressed as:



S.E = 2
Therefore, the standard error of the mean = 2
Answer:
45.61 inches
Step-by-step explanation:
Use the pythagorean theorem.
Answer:
11/50
Step-by-step explanation:
There are 22 3's, and 100 tries, so the experimental probability is 22/100 or 11/50.