Answer:
1300
Step-by-step explanation:
the right answer is 1280.5
but becuase you estimate it doenst have to be exact, so 100x13 is the easiest to calculate in your head, so the estimate is 1300
Answer:
B
Step-by-step explanation:
It is a Tangential function, so the correct answer is B.
Answer:
31
Step-by-step explanation:
a=(180-121)=59
c=(180-90)=90
180-59-90=31
Answer:
A
=
120
Step-by-step explanation:
A
=
h
b
b
2
=
16
·
15
2
=
120
Answer:
The value of the test statistic is 
Step-by-step explanation:
The test statistic is:

In which X is the sample mean,
is the value tested at the null hypothesis,
is the standard deviation and n is the size of the sample.
Test if the mean is equal to 5:
This means that the null hypothesis is 
A simple random sample of wrist breadths of 40 women has a mean of 5.07 cm. The population standard deviation is 0.33 cm.
This means that 
Find the value of the test statistic?



The value of the test statistic is 