Mathematics, 12.02.2021 20:30 crystalhoff9419
If the foot length of women follows a normal distribution with a mean of 23 cm, and
81.5% have a foot length between 20 cm and 29 cm, what is your estimate of the
standard deviation of the heights in this population?
a. 2.25 cm
b. 03 cm
c. 4.5 cm
d. 9cm
Answers: 3
Mathematics, 21.06.2019 12:50
best answer for the question.1. divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.
Answers: 2
Mathematics, 21.06.2019 21:00
What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3
Answers: 2
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 21.06.2019 23:00
Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)
Answers: 1
If the foot length of women follows a normal distribution with a mean of 23 cm, and
81.5% have a fo...
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