I think its because log e is ln so ln is a natural logarithm.
Answer:
Null hypothesis 
Alternative hypothesis 
Step-by-step explanation:
Consider the provided information.
The shower by an adult is 5 minutes.
The mean amount of time that college students spend in the shower is significantly different from 5 minutes. In a sample of 15 students, he found the average time was 4.29 minutes and the standard deviation was 0.75 minutes.
We need to determine the appropriate null and alternative hypotheses.
A null hypothesis is there is no statistical significance between the two variables.
An alternative hypothesis is there is a statistically significant relationship between two variables.
Therefore the required null and alternative hypothesis are:
Null hypothesis 
Alternative hypothesis 
95% is the answer you're looking for
Answer:
11 inches
Step-by-step explanation:
Take the square root and add 3.
(x -3)² = 64
x -3 = √64 = 8
x = 8 +3 = 11
The original photo was 11 inches on a side.