Question

The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals252 days and...

The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muequals252 days and standard deviation sigmaequals20 days. ​(a) What proportion of pregnancies lasts more than 282 ​days? ​(b) What proportion of pregnancies lasts between 247 and 262 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 242 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 222 days. Are very preterm babies​ unusual?

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

Homework Answers

Answer #1

Hope this will help you. 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 a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=262 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=262 days and standard deviation σ=16 days. ​(a) What proportion of pregnancies lasts more than 282 days? ​(b) What proportion of pregnancies lasts between234 and 266 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 238 days. Are very preterm babies​ unusual?
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=265 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=265 days and standard deviation σ=12 days. ​(a) What proportion of pregnancies lasts more than 271 ​days? ​(b) What proportion of pregnancies lasts between 262 and 274 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 244 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 238 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 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 mu equals 259...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean mu equals 259 days and standard deviation sigma equals 16 days. ​(a) What proportion of pregnancies lasts more than 263 ​days? ​(b) What proportion of pregnancies lasts between 255 and 267 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 247 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 235 days. Are very preterm babies​...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=261 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean μ=261 days and standard deviation σ=20 days. ​(a) What proportion of pregnancies lasts more than 296 ​days? ​(b) What proportion of pregnancies lasts between 256 and 266 ​days? ​(c) What is the probability that a randomly selected pregnancy lasts no more than 251 ​days? ​(d) A​ "very preterm" baby is one whose gestation period is less than 231 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 μ=261and standard deviation= 88....
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with μ=261and standard deviation= 88. What proportion of pregnancies lasts between 251 and 267 days? What is the probability that a randomly selected pregnancy lasts no more than 245 days? A​ "very preterm" baby is one whose gestation period is less than 243 days. Are very preterm babies​ unusual?
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muμequals=256256 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muμequals=256256 days and standard deviation sigmaσequals=1212 days.​(a) What proportion of pregnancies lasts more than 259259 ​days?​(b) What proportion of pregnancies lasts between 241241 and 262262 ​days?​(c) What is the probability that a randomly selected pregnancy lasts no more than 238238 ​days?​(d) A​ "very preterm" baby is one whose gestation period is less than 226226 days. Are very preterm babies​ unusual? LOADING... Click the icon to view a...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muμequals=265265 days and...
The lengths of a particular​ animal's pregnancies are approximately normally​ distributed, with mean muμequals=265265 days and standard deviation sigmaσequals=1616 days.​(a) What proportion of pregnancies lasts more than 285285 ​days?​(b) What proportion of pregnancies lasts between 253253 and 273273 ​days?​(c) What is the probability that a randomly selected pregnancy lasts no more than 237237 ​days?​(d) A​ "very preterm" baby is one whose gestation period is less than 229229 days. Are very preterm babies​ unusual? LOADING... Click the icon to view a...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT