Mathematics, 04.12.2019 04:31 imcool666
Aconfidence interval (ci) is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. assume that strayload loss is normally distributed with o = 3.0. (1). construct a 95% ci for u when n = 25 and x = 58.3. (10 points) (2). construct a 95% ci for u when n = 100 and 1 = 58.3. (10 points) (3). construct a 99% ci for u when n = 100 and x = 58.3. (10 points) (4). how large must n be if the half-width of the 99% interval for u is to be 0.5? (10 points)
Answers: 1
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15â‹…10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65â‹…10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
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Mathematics, 21.06.2019 16:30
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Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
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Mathematics, 21.06.2019 19:00
You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?
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Aconfidence interval (ci) is desired for the true average stray-load loss u (watts) for a certain ty...
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