A plane is a three-dimensional form that has length and width by minimum thickness.
Answer:
The correct option is (C) (2.769, 3.231).
Step-by-step explanation:
The confidence interval for mean when the standard deviation is not known is:

Given:

Compute the critical value as follows:

**Use a <em>t</em>-table.
The 95% confidence interval for true mean length of the bolt is:

Thus, the 95% confidence interval for true mean length of the bolt is (2.769, 3.231).
The correct option is (C).
Answer: x midpoint 6.5 y midpoint -2.5
Step-by-step explanation:
A; the probability of the number of free throws made out of 8 is at most 3.
I might be wrong, but I’m 90% sure I’m right ☺️