Question

The length of a human pregnancy is normally distributed with a mean of 270 days with...

The length of a human pregnancy is normally distributed with a mean of 270 days with a standard deviation of 8 days. How many days would a pregnancy last for the shortest 15%? Round answer to 2 decimal places.

Homework Answers

Answer #1

please raise your thumb if the response is helpful and give me your respectable support to continuing my better standards thank you for your considerations......

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The lengths of pregnancies are normally distributed with a mean of 270 days and a standard...
The lengths of pregnancies are normally distributed with a mean of 270 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 22​%, then the baby is premature. Find the length that separates premature babies from those who are not premature.
The length of human pregnancies are normally distributed with a mean of 281.9 days and a...
The length of human pregnancies are normally distributed with a mean of 281.9 days and a standard deviation of 11.4 days. a) Find the probability of a pregnancy lasting more than 258 days ( that is premature status). b) Draw the distribution (Label the x value/or z value) and shade the area we are concerned with and calculate the probability. c) Of 500 pregnant women, about how many would you expect to be pregnant for a length of more than...
The lengths of human pregnancies are normally distributed with a mean of 268 days and a...
The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy lasts at least 300 days? Write your answer as a decimal rounded to 4 places.
The mean length of a human pregnancy is 270 ​days, with a standard deviation of 99...
The mean length of a human pregnancy is 270 ​days, with a standard deviation of 99 days. Use the empirical rule to determine the percentage of women whose pregnancies are between 252 and 288 days.​ (Assume the data set has a​ bell-shaped distribution.) A. ​50% B. 68​% C. 95​% D. 99.7%
The average length of a human pregnancy is normally distributed, having a mean duration until birth...
The average length of a human pregnancy is normally distributed, having a mean duration until birth (μ) of 266 days and a standard deviation (σ) of 16 days. What percentage of pregnancies will last 290 days or more? What percentage of pregnancies births will take place 246 days or less?
Pregnancy lengths are normally distributed with a mean of 280 days and a standard deviation of...
Pregnancy lengths are normally distributed with a mean of 280 days and a standard deviation of 20 days. Find the probability that if a sample of 50 pregnancies are chosen at random that the mean length is less than 270 days.
The lengths of human pregnancies are normally distributed with a mean of 268 days and a...
The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy lasts at least 300 days? (Remember that this means 300 days or more). Does it appear likely that a pregnancy would last at least 300 days? If we use a definition of premature to be the lowest 3% of pregnancy duration, find the number of days a pregnancy would last that separates...
The length of a human pregnancy is approximately normally distributed with mean LaTeX: \muμ=266 days and...
The length of a human pregnancy is approximately normally distributed with mean LaTeX: \muμ=266 days and standard deviation LaTeX: \sigmaσ=16 days. Given the values of LaTeX: \muμx-bar and LaTeX: \sigmaσx-bar found in the preceding questions, find the probability that a random sample of 36 pregnancies has a mean gestation period of 260 days or less. In other words, find P(x-bar LaTeX: \le≤ 260). Choose the best answer. Group of answer choices .0122 .0274 .3520 .0465
The lengths of pregnancies are normally distributed with a mean of 269 days and a standard...
The lengths of pregnancies are normally distributed with a mean of 269 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. a. The probability that a pregnancy will last 309 days or longer is ?. ​(Round to four decimal places...
The lengths of pregnancies are normally distributed with a mean of 266 days and a standard...
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 307 days or longer. b. If the length of pregnancy is in the lowest 44​%,then the baby is premature. Find the length that separates premature babies from those who are not premature. a. The probability that a pregnancy will last 307 days or longer is [ ]. (Round to four decimal places)...