Mathematics, 26.11.2019 18:31 alanihuling
Assume that two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. which distribution is used to test the claim that mothers spend more time (in minutes) driving their kids to activities than fathersdo?
a.
f
b.
t
c.
chi-square
d.
normal
Answers: 3
Mathematics, 21.06.2019 14:00
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The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2
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Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1โ0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Assume that two samples are independent simple random samples selected from normally distributed pop...
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