Question

The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309days or longer. b. If the length of pregnancy is in the lowest 33%, then the baby is premature. Find the length that separates premature babies from those who are not premature.

The probability that a pregnancy will last

309 days or longer is nothing

Answer #1

he lengths of pregnancies are normally distributed with a mean
of
267
days and a standard deviation of
1515
days. a. Find the probability of a pregnancy lasting
309309
days or longer. b. If the length of pregnancy is in the
lowest
3 percent
then the baby is premature. Find the length that separates
premature babies from those who are not premature.Click to view
page 1 of the table.
LOADING...
Click to view page 2 of the table.
LOADING...
a....

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 4 %, then the baby is
premature. Find the length that separates premature babies from
those who are not premature.

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 lengths of pregnancies are normally distributed with a mean
of 268 days and a standard deviation of 15 days. a. Find the
probability of a pregnancy lasting 308 days or longer. b. If the
length of pregnancy is in the lowest 3%, 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 308 days or longer
is ?
b. Babies who are born...

The lengths of pregnancies are normally distributed with a mean
of
270270
days and a standard deviation of
1515
days. a. Find the probability of a pregnancy lasting
309309
days or longer. b. If the length of pregnancy is in the
lowest
33%,
then the baby is premature. Find the length that separates
premature babies from those who are not premature.Click to view
page 1 of the table.
LOADING...
Click to view page 2 of the table.
LOADING...
a. The...

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.

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 308 days or longer. b. If the
length of pregnancy is in the lowest 3 %, then the baby is
premature. Find the length that separates premature babies from
those who are not premature. Click to view page 1 of the table.
LOADING... Click to view page 2 of the table. LOADING......

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)...

The lengths of pregnancies are normally distributed with a mean
of
267267
days and a standard deviation of
1515
days. a. Find the probability of a pregnancy lasting
308308
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.Click to view
page 1 of the table.
LOADING...
Click to view page 2 of the table.
LOADING...
a. The...

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...

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