Question
In: Statistics and Probability
Refer to the accompanying table, which describes the number of adults in groups of five who...
Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five.
|
x |
P(x) |
|
|
0 |
0.172 |
|
|
1 |
0.357 |
|
|
2 |
0.307 |
|
|
3 |
0.127 |
|
|
4 |
0.032 |
|
|
5 |
0.005 |
Solutions
orchestra answered 2 years agoRelated Solutions
Refer to the accompanying table, which describes the number of adults in groups of five who...
Refer to the accompanying table, which describes the number of
adults in groups of five who reported sleepwalking. Find the mean
and standard deviation for the numbers of sleepwalkers in groups of
five. Click the icon to view the data table. The mean is nothing
sleepwalker(s). (Round to one decimal place as needed.)
x
P(x)
0
0.191
1
0.368
2
0.291
3
0.114
4
0.033
5
0.003
Refer to the accompanying table, which describes the number of adults in groups of five who...
Refer to the accompanying table, which describes the number of
adults in groups of five who reported sleepwalking. Find the mean
and standard deviation for the numbers of sleepwalkers in groups of
five.
x P(x)
0 0.170
1 0.353
2 0.317
3 0.128
4 0.029
5 0.003
The mean is. sleepwalker(s). (Round to one decimal
place as needed.)
Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking.
Refer to the accompanying
table, which describes the number of adults in groups of five who
reported sleepwalking. Find the mean and standard deviation for the
numbers of sleepwalkers in groups of five.The mean is _______ nothing
sleepwalker(s). (Round to one decimal place as needed.) The
standard deviation is _______ sleepwalker(s). (Round to one
decimal place as needed.)
Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking.
Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five. Click the icon to view the data table. The mean is _______ sleepwalker(s). The standard deviation is _______ sleepwalker(s).
The accompanying table describes the random variable x, the numbers of adults in groups of five...
The accompanying table describes the random variable x, the
numbers of adults in groups of five who reported sleepwalking.
Complete parts (a) through (d) below. LOADING... Click the icon
to view the table. a. Find the probability of getting exactly 4
sleepwalkers among 5 adults. nothing (Type an integer or a
decimal. Do not round.) b. Find the probability of getting 4 or
more sleepwalkers among 5 adults. nothing (Type an integer or a
decimal. Do not round.) c. Which...
Using the accompanying table, which describes results from groups of 8 births from 8 different sets...
Using the accompanying table, which describes results from
groups of 8 births from 8 different sets of parents. The random
variable x represents the number of girls among 8 children.
Number of Girls x
P(x)
0
0.004
1
0.031
2
0.109
3
0.219
4
0.273
5
0.219
6
0.109
7
0.031
8
0.004
Find the probability of getting exactly 7 girls in 8
births. Round to the nearest thousandth.
The accompanying table describes results from groups of 8 births from 8 different sets of parents....
The accompanying table describes results from groups of 8 births
from 8 different sets of parents. The random variable x represents
the number of girls among 8 children. Complete parts (a) through
(d) below.
Click the icon to view the table.
a. Find the probability of getting exactly 6 girls in 8
births.
nothing
_____ (Type an integer or a decimal. Do not round.)
number of girls (x) P(x)
Number of girls (x)
P(x)
0
0.004
1
0.016
2
0.111...
The accompanying table describes results from groups of 8 births from 8 different sets of parents....
The accompanying table describes results from groups of 8 births
from 8 different sets of parents. The random variable x represents
the number of girls among 8 children. Complete parts (a) through
(d) below. LOADING... Click the icon to view the table. a. Find the
probability of getting exactly 1 girl in 8 births.Number of Girls x
P(x) 0 0.002 1 0.028 2 0.117 3 0.217 4 0.272 5 0.217 6 0.117 7
0.028 8 0.002
The accompanying table describes results from groups of 8 births from 8 different sets of parents....
The accompanying table describes results from groups of 8 births
from 8 different sets of parents. The random variable x represents
the number of girls among 8 children. Complete parts (a) through
(d) below. . Find the probability of getting exactly 1 girl in 8
births. P(x) Number of Girls x P(x) 0 0.002 1 0.022 2 0.117 3
0.227 4 0.264 5 0.227 6 0.117 7 0.022 8 0.002
The accompanying table describes results from groups of 8 births from 8 different sets of parents....
The accompanying table describes results from groups of 8 births
from 8 different sets of parents. The random variable x represents
the number of girls among 8 children. Complete parts (a) through
(d) below. LOADING... Click the icon to view the table. a. Find the
probability of getting exactly 6 girls in 8 births. . 107 (Type an
integer or a decimal. Do not round.) b. Find the
probability of getting 6 or more girls in 8 births.
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