Robert has 4 times as many pennies as he does nickels. If Robert has $1.44 worth of pennies and nickels, how many nickels does h
1 answer:
You might be interested in
Answer: 346
Step-by-step explanation:
Given : Margin of error : E= 0.05
Standard deviation :
Significance level :
Critical value :
The formula to calculate sample size ( if proportion is known) :-
Hence, the required minimum sample would be 346.