Degrees farenheit and standard deviation
An 1868 paper by German physician Carl Wunderlich reported, based on over a million body temperature readings, that healthy adult body temperatures are approximately normally distributed with mean 98.6 degrees Farenheit and standard deviation 0.6.
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A new speed limit will be initiated such that approximately 10% of vehicles will be over the speed limit. Determine the new speed limit based on this criterion?
A study on the effects of tevelision -viewing upon childern reports that childern watch mean of 4.0 hours of TV per night. Linda thinks that the mean number of hours childern in her neighborhood watch tv per night is greater than 4.0 hours. A. Wri
Employ the normal distribution to approximate the binomial distribution and determine the probability of getting 15 to 18 heads out of 25 flips.
Monkeys male heights are upon average 75 inches with standard deviation of 5 inches. Monkey females heights are upon average a bit shorter and less variable, with mean height of 70 inches and standard deviation of 4.5 inches.
Determine the probability that the percent of 18 to 34-year-olds who check Facebook before getting out of bed in the morning is at least 30.
A box contains three cards. One card is red upon both sides, one card is green upon both sides, and one card is red upon one side and green on other. One card is chosen from the box at random,
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Let W be a random variable giving the number of heads minus the number of tails in three tosses of a coin. Assuming that the coin is biased so that a head is twice as likely to occur as a tail.
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