Mathematics, 25.07.2019 01:30 lisnel
The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days. a. find the probability of a pregnancy lasting 309 days or longer. b. if the length of pregnancy is in the lowest 2%, then the baby is premature. find the length that separates premature babies from those who are not premature.
Answers: 1
Mathematics, 21.06.2019 22:00
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
Answers: 3
Mathematics, 22.06.2019 05:30
The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28. which solution can be used to fill in both blanks in the table? (2, 5) (5, 2) (5, −8) (−8, 5)
Answers: 3
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