Answer:
0.6604
Step-by-step explanation:
Given that a market research firm knows from historical data that telephone surveys have a 36% response rate.
Sample size of random sample = 280
We know for samples randomly drawn of large size sample proportion follows a normal distribution with mean= sample proportin and std error
= 
Substitute p = 0.36 and q = 1-0.36= 0.64
p follows N with mean = 0.36 and std dev = 
Using normal distribution values we can find\

The answer is -7 jzzoksjsjs
Answer:
this question is essentially -5 + 4
You could say:
negative 5 plus 4
Just in case you need it, the answer to this problem is -1
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X=25 and y=-2 so then y=-40 and x=? you will have to divide and and multiple and the answer will be x=500