Mathematics, 18.11.2019 22:31 Azaleaz
Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 3%. a mutual-fund rating agency randomly selects 23 months and determines the rate of return for a certain fund. the standard deviation of the rate of return is computed to be 2.22%. is there sufficient evidence to conclude that the fund has moderate risk at the alpha equals 0.10 level of significance? a normal probability plot indicates that the monthly rates of return are normally distributed.
Answers: 1
Mathematics, 21.06.2019 18:00
Determine the difference: 3.2 ร 1010 โ 1.1 ร 1010. write your answer in scientific notation.
Answers: 1
Mathematics, 21.06.2019 21:00
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
Answers: 2
Mathematics, 22.06.2019 00:00
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
Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rat...
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