1. A survey of 425 adults show that 131 take daily medication to regulate thyroi
ID: 2979066 • Letter: 1
Question
1. A survey of 425 adults show that 131 take daily medication to regulate thyroid problems. Based on this information, what is the probability that an adult selected at random takes daily medication to regulate thyroid problems? 2. A survey of 60 local companies shows that 23 intend to hire additional people in the next 6 months. Based on this information, what is the probability that a local company selected at random does not intend to hire additional people in the next 6 months? 3. A survey of 275 households shows that 163 subscribe to a cable TV service. Based on this information, what is the probability that a household selected at random does not subscribe to a cable TV service? 4. A survey of 325 adults shows that 148 have credit card balances that are over $1000. Based on this information, what is the probability that an adult selected at random has a credit card balance that is over $1000?Explanation / Answer
1. P(E) =131/425
2. P(E) = 1-23/60 = 37/60
3. P(E) = 1-163/275 = 112/275
4. P(F) = 148/325
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