Answer:
The answer is below
Step-by-step explanation:
a) Given that the number of sample (n) = 300, therefore since n > 30, the distribution of the sample means is going to be normally distributed.
b) The mean of the distribution of sample means (also known as the Expected value of M) is equal to the population mean μ.

c) The standard deviation of the distribution of sample means is called the Standard Error of M, it is given by:

Answer:
They surveyed 300 students
Step-by-step explanation:
In order to find this, take the number who said they speak Spanish and then divide that number by the percentage.
36 students / 12% = 300 total students.
I believe the answer is about 78.81% because you subtract 25 from 118. Then that would be 93. 118 is equal to the 100% and 118 divide by 1.18 equals 100. Divide 93 from 1.18 gives you the answer
Answer:
4 millimeters
Step-by-step explanation:
a radius is half of a diameter