Mathematics, 29.05.2020 20:58 jujulakaeuaws
The drug Zyban is meant to create the urge to quit smoking. In clinical trials, 35% of the study's participants experienced insomnia when taking 300mg of Zyban per day. a) In a random sample of 25 users of Zyban, find the probability that at least 5 will experience insomnia. b) In a random sample of 25 users of Zyban, find the probability that at most 12 will experience insomnia. 3. Find the mean and standard deviation of x = number of cars found to have unsafe brakes among the 500 cars stopped at a roadblock for inspection. Assume that 5% of all cars have one or more unsafe brakes. a) Mean = b) Standard deviation =
Answers: 3
Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
Answers: 3
Mathematics, 22.06.2019 01:30
Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.
Answers: 2
The drug Zyban is meant to create the urge to quit smoking. In clinical trials, 35% of the study's p...
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