Answer:
95% confident the population mean is between (9.1,9.9)
Step-by-step explanation:
We are given the following data set:
9.3, 9.7, 9.2, 9.7
Formula:
where
are data points,
is the mean and n is the number of observations.


Sum of squares of differences = 0.2075

95% Confidence interval:
Putting the values, we get,
Answer:
$162.50
Step-by-step explanation:
this is because 30°/• of 125 us 37.5 then if you add that you get 162.50
Answer:
The amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600
Step-by-step explanation:
Let x be the amount in the account at 12% interest
So, 6000-x is the amount in the second account at 7% interest

First account:
Second account : 
We are given that At the end of the first year he had earned $590 in interest.
So, 
So,the amount in the account at 12% interest is $3400
The amount in the second account at 7% interest =6000-x=6000-3400=2600
Hence the amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600
Answer:
34
Step-by-step explanation:
area is height times wdth .....then come to conclude that
Learn to balance school and life is all i can say. if you do that you’ll be fine