bbanfield1
10.12.2020 •
Mathematics
Suppose that 65% of all registered voters in a certain area favor a waiting period before the purchase of a handgun. Among 225 randomly selected voters, what is the probability that
A. At least 150 favor such a waiting period
B. Between 145 and 160 (inclusive) favor such a waiting period?
I know the answers but I am not sure how to solve for them, please help
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Ответ:
B
Step-by-step explanation:
225 x 0.65 = 135
Ответ:
(x+5)^2=0 then x+5=0 and x=-5. If x=-5, then y=3*(-5+5)^2-4=3*0-4=-4.
Step-by-step explanation: