Answer:
(b) 4,445
Step-by-step explanation:
If the researcher would like to be 95% sure that the obtained sample proportion would be within 1.5% of p (the proportion in the entire population of U.S. adults), what sample size should be used?
Given a=0.05, |Z(0.025)|=1.96 (check standard normal table)
So n=(Z/E)^2*p*(1-p)
=(1.96/0.015)^2*0.5*0.5
=4268.444
Take n=4269
Answer:(b) 4,445
Answer:
12 shirts
Step-by-step explanation:
find the price of 2 shirts:
(1/2 x 34.98)+34.98=52.47
for every 2 shirts she buys, she pays $52.47
314.82/52.47=6
she bought 6 pairs= 12 shirts
Answer:
Step-by-step explanation:
<u>Step 1: Divide both sides by -8</u>
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Answer:
Y = -1.33 * x - 3
y = -1.33 -3 *x
y = -4.33 *x
Answer: 68
Step-by-step explanation:
range=47 lowest score = 21 let highest score =x
Range=highest score - lowest score
47 = x - 21
x = 47 + 21
x = 68
Therefore the highest score is 68
