Mathematics, 07.11.2019 02:31, nevelle
An advertising executive studying television viewing habits of married men and women during prime-time hours has determined that during prime time, husbands are watching television 80 % of the time. when the husband is watching television, 50 % of the time the wife is also watching. when the husband is not watching television, 10 % of the time the wife is watching television. a. find the probability that if the wife is watching television, the husband is also watching television. b. find the probability that the wife is watching television in prime time.
Answers: 2
Mathematics, 21.06.2019 17:50, kayleewoodard
Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000
Answers: 1
Mathematics, 21.06.2019 20:20, bbyjoker
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
An advertising executive studying television viewing habits of married men and women during prime-ti...
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