Mathematics, 10.11.2019 06:31, hjukhvfd5723
The age that women in virginia decide to get married for the first time is normally distributed with an average of 26.3 years and a standard deviation of 3.1 years. suppose that 25 virginian women are randomly selected and asked about their age at the beginning of their first marriage, find the probability that the sample mean age is between 25 and 28 years
a.0.9821
b.0.6400
c.0.9790
d.0.9969
Answers: 1
Mathematics, 21.06.2019 17:30, edfwef5024
Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.
Answers: 2
Mathematics, 21.06.2019 20:00, naimareiad
Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y β€ β4x β 2 y > β4x β 2 y β₯ β4x β 2 y < 4x β 2
Answers: 1
The age that women in virginia decide to get married for the first time is normally distributed with...
Mathematics, 20.09.2020 01:01