Mathematics, 08.12.2020 02:50 kennyg02
Find the mean and standard deviation for each binomial random variable:
a. n = 54, π = .85 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)
Mean
16.2
Standard deviation
b. n = 92, π = .65 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)
Mean
Standard deviation
c. n = 44, π = .80 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)
Mean
Standard deviation
Answers: 3
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Mathematics, 22.06.2019 00:00, xXwolfieplayzXx
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
Mathematics, 22.06.2019 00:30, jamiej231984
Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.
Answers: 3
Find the mean and standard deviation for each binomial random variable:
a. n = 54, π = .85 (Round y...
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