Step-by-step explanation:

Answer:
wht grade
Step-by-step explanation:
Answer:
x=32 hope it helps, if it does can i get 5.0 or brainliest
Step-by-step explanation:
Answer:
a) 
b) 
Step-by-step explanation:
Given that:
population mean
= 30,000
sample size n = 800
population proportion p = 0.6
a)
The mean of the the sampling distribution is equal to the population proportion.


b)
The standard deviation of the sampling distribution can be estimated by using the formula:





