Step-by-step explanation:

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Answer: 4 people
Step-by-step explanation:
4 times 1/5= 4/5
The 4 goes on top ( numerator ) and the 5 would go on the bottom ( denominator )
Also another way to solve this is to use decimal form.
4 times 0.2 ( 0.2=1/5 )= 0.8
Answer:
Step-by-step explanation:

(One tailed test at 5% significance level)
Sample size =200 and sample proportion =
Std error of p = 
Test statistic = p diff/std error = -2.89
p value = 0.001926
So we reject H0 and accept alternate hypothesis.
Answer:
hi! hope this helps :) if you need me to explain how to do this, let me know!