Answer:
Step-by-step explanation:
Tom had 216 marbles. First, he divided them into 3 equal groups. Then he put two groups into a 2 separate bags. He took the rema
2 answers:
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Answer: 8359
Step-by-step explanation:
The formula for sample size needed for interval estimate of population proportion :-
Given : The significance level :
Critical value :
Previous estimate of proportion :
Margin of error :
Now, the required sample size will be :-
Hence, the required sample size = 8359
Answer:
Step-by-step explanation:
Let
x ---> the number
we know that
The algebraic expression is equal to multiply the number by 4, add 5 and equal 8
so
Solve for x
subtract 5 both sides
Divide by 4 both sides