meon of 0 30 inches and a to with a f bolts readings of O\"Cat the freezing poin

Question

meon of 0 30 inches and a to with a f bolts readings of O"Cat the freezing point of water. Tests on a large somple ) and some give readings above O"C (denoted by that at the freezing point of water, some give readings below O'C (denoted by negat positive num that the mean reading is O"C and the standard deviation of the bers) is 100°C Also assume that the frequency distribution of errors closely the normal distribution. A thermometer is randomly selected and tested. Find o a corresponding to the given information ion the temperature a Find Pa the 96th percentile b rf 7% of the thermometers are rejected because they have readings that are too high, but all other thermometers are acceptable, find the temperature that separates the rejected thermometers from the others, 7 Re>/.so-P(2

Explanation / Answer

Yes the answers are almost correct. For B and C part,

P(z > 1.48) = P(z < -1.48) = 0.07

Hence,

B) z = 1.48

C) z = -1.48

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