Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 73
The proportion that in favor of raising the tuition is
The standard deviation is
The required standard deviation
Generally the requires standard deviation is mathematically represented as
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Answer:
its a 21:45
Step-by-step explanation: it a because 7x3 will equal 21 you got 21 in there. 15 x 3 will equal 45 and you got 45 there so a is your answer.
Set up a ratio and solve for the missing value:
The couple rested for 45 minutes in 5 hours.
Answer:
3m == 5w, that means for such unit, there is a 2 person difference
30 person difference = 30/2 = 15units
and again one unit means 3m and 5w
so 15*3men, and 15*5women
and you can check the difference is 30