Mathematics, 19.07.2019 01:00 lackin2056
The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. men the same age have heights that are also approximately normal, with mean height 69.3 inches and standard deviation 2.8 inches. what is the z-score for a man 72 inches tall? round your answer to 3 decimal places.
Answers: 1
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2
Answers: 1
Mathematics, 21.06.2019 19:00
Simplify. โ4x^2 (5x^4โ3x^2+xโ2) โ20x^6โ12x^4+8x^3โ8x^2 โ20x^6+12x^4โ4x^3+8x^2 โ20x^8+12x^4โ4x^2+8x โ20x^6+12x^4+4x^3โ8x^2
Answers: 1
The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviati...
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