<span>the ANSWER is
92.5 degrees
because </span><span>second angle = 4x = 4*17.5 = 70 deg
so
</span><span>third angle = 5x+5 = 5*17.5 + 5= 92.5 deg</span>
Answer:
We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 mg .
Step-by-step explanation:
Given -
The sample size is large then we can use central limit theorem
n = 50 ,
Standard deviation = 7.1
Mean = 110
1 - confidence interval = 1 - .98 = .02
= 2.33
98% confidence interval for the mean caffeine content for cups dispensed by the machine =
=
=
First we take + sign
= 112.34
now we take - sign
= 107.66
We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 .
For the first hour its 24, then 48, then 72, then 100!!!