A high school drama club is selling tickets for a fundraiser event. Based on data from past events, the number of tickets sold c
an be modeled by a linear function Q(x)=-40x+640, where x is the price, in dollars, of each ticket.
2 answers:
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Answer:
x - 4 = 0 and x - 2 = 0
Step-by-step explanation:
Answer: 0.2643
Step-by-step explanation:
Given : The proportion of adults are unemployed : p=0.077
The sample size = 300
By suing normal approximation to the binomial , we have
Now, using formula , the z-value corresponding to 26 will be :-
Using standard distribution table for z , we have
P-value=
Hence, the probability that at least 26 in the sample are unemployed =0.2643