Question

Data from the North Carolina State Center for Health and Environmental Statistics shows that the lengths...

Data from the North Carolina State Center for Health and Environmental Statistics shows that the lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. If 18 women are randomly selected, find the probability that the mean length of their pregnancies is less than 260 days

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you are satisfied by my given answer. Can you please like it☺
  
Thank You!!!

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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 268 days and a standard...
The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. If 20 different pregnancies are randomly selected, find the probability that their mean is less than 273 days
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. if 36 women are randomly​ selected, find the probability that they have a mean pregnancy between 266 days and 268 days
The lengths of pregnancies are normally distributed with a mean of 273 days and a standard...
The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 15 days. If 36 women are randomly selected, find the probability that they have a mean pregnancy between 273 days and 275 days.
The lengths of pregnancies of humans are normally distributed with a mean of 268 days and...
The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 days.          What percent of pregnancies are due 253 to 283 days? Determine the percent of pregnancies with a duration less than 238 days.
A. The lengths of pregnancies are normally distributed with a mean of 272 days and a...
A. The lengths of pregnancies are normally distributed with a mean of 272 days and a standard deviation of 15 days. If 35 women are randomly selected, find the probability that they have a mean pregnancy between 271 days and 275 days. B. The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard deviation of 0.50° F. If 25 adults are randomly selected, find the probability that their mean body temperature is greater...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals254 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals254 days and standard deviation sigmaequals8 days. ​(a) What proportion of pregnancies lasts more than 268 ​days? ​(b) What proportion of pregnancies lasts between 248 and 256 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 246 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 234 days. Are very preterm babies​ unusual?
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals264 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals264 days and standard deviation sigmaequals8 days. ​(a) What ​(c) What is the probability that a randomly selected pregnancy lasts no more than 260 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 244 days. Are very preterm babies​ unusual?
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean equals 274 days...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean equals 274 days and standard deviation sigma equals 12 days. ​(a) What proportion of pregnancies lasts more than 280 ​days? ​(b) What proportion of pregnancies lasts between 268 and 283 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 256 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 247 days. Are very preterm babies​ unusual?
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.
Lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation...
Lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. a. What percentage of pregnancies last less than 250 days? b. What percentage of pregnancies last more than 300 days? c. If a birth is considered premature if the pregnancy lasts less than 238 days, what is the percentage of premature births?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT