Answer:
The value of the test statistic is 0.4.
Step-by-step explanation:
The value of the test statistic is given by:
Our test statistic is:

In which X is the sample mean,
is expected mean,
is the standard deviation and n is the size of the sample.
Using traditional methods, it takes 8.1 hours to receive a basic flying license.
This means that 
A researcher used the technique with 23 students and observed that they had a mean of 8.2 hours with a standard deviation of 1.2.
This means that 
Find the value of the test statistic.



The value of the test statistic is 0.4.
first picture is 4 over 10
J =Jorge
if the sum is no less than 25 then the best result to the question is Jorge is 8, while his brother is 9, but to put that in an inequality it'll be 2x+2j - 2 is greater than or equal to (couldnt use intended symbol)...25
Answer:
a)2*(15-s) mi
b)30mi
c) 30 mi
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
a² +b²=c²
a²+40²=41²
a²=41²-40²
a²= 81

a=9