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.
Answer:
Step-by-step explanation:
cos^2+sin^2 = 1 ( rule)
cos^4x-cos^2x simplify
- cos^2( -cos^2 +1 ) -cos^2 common
or -cos^2 ( 1-cos^2)
since cos^2 + sin^2 = 1
substitute : -cos^2 ( sin^2 )
substitute : -(1-sin^2 ) ( sin^2)
multiply : -sin^2 + sin^4 or sin^4 - sin^2
it is verified that sin^4 -sin^2= cos^4-cos^2
hope it helps
Answer:
Male 2:9
Female 1:7
Step-by-step explanation:
Answer:
C. dL/dt = k(100 - L)
Step-by-step explanation:
We have a list containing 100 words.
L = number of words memorized at time t.
At any time t, the number of words left to be memorized is 100-L.
Therefore:
<u>The correct option is C.</u>
