Assume that thermometer readings (in degrees Celsius) are normally distributed with a mean of O and standard deviation of 1. A thermometer is randomly selected and tested. Find the probability of a reading between -1.12 and 1.05 degrees Celsius. Draw a bell curve, label your mean and shade the area that you are trying to find. Then answer the question. (round to 4 decimal places) D If a gambler places a bet on the number 7 in roulette, he or she has a 1/38 probability of winning. a. Find the mean and standard deviation for the number of wins of gamblers who bet on the number 7 one hundred and twenty times. b. Would O wins in one hundred and twenty bets be an unusually low number of wins? Il Proctorio is sharing your screen. Stop sharing Hide 36 ост sty

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Assume that thermometer readings (in degrees Celsius) are normally distributed with a mean of 0
and standard deviation of 1. A thermometer is randomly selected and tested. Find the probability
of a reading between -1.12 and 1.05 degrees Celsius. Draw a bell curve, label your mean and shade
the area that you are trying to find. Then answer the question. (round to 4 decimal places)
If a gambler places a bet on the number 7 in roulette, he or she has a 1/38 probability of winning.
a. Find the mean and standard deviation for the number of wins of gamblers who bet on the
number 7 one hundred and twenty times.
b. Would 0 wins in one hundred and twenty bets be an unusually low number of wins?
IL Proctorio is sharing your screen.
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Transcribed Image Text:Assume that thermometer readings (in degrees Celsius) are normally distributed with a mean of 0 and standard deviation of 1. A thermometer is randomly selected and tested. Find the probability of a reading between -1.12 and 1.05 degrees Celsius. Draw a bell curve, label your mean and shade the area that you are trying to find. Then answer the question. (round to 4 decimal places) If a gambler places a bet on the number 7 in roulette, he or she has a 1/38 probability of winning. a. Find the mean and standard deviation for the number of wins of gamblers who bet on the number 7 one hundred and twenty times. b. Would 0 wins in one hundred and twenty bets be an unusually low number of wins? IL Proctorio is sharing your screen. Stop sharing Hide OCT 13 étv MacBook Air R K B 36
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