Question
In: Statistics and Probability
In the United States, males between the ages of 40 and 49 eat on average 105.1...
In the United States, males between the ages of 40 and 49 eat on average 105.1 g of fat every day with a standard deviation of 4.5 g ("What we eat," 2012). Assume that the amount of fat a person eats is normally distributed. (a) State the random variable. (b) Find the probability that a man age 40-49 in the U.S. eats more than 110 g of fat every day. (c) Find the probability that a man age 40-49 in the U.S. eats less than 93 g of fat every day. (d) Find the probability that a man age 40-49 in the U.S. eats between 65 g and 100 g of fat every day. (e) If you found a man age 40-49 in the U.S. who says he eats less than 65 g of fat every day, would you believe him? Why or why not? (f) What daily fat level do 95% of all men age 40-49 in the U.S. eat less than?
Solutions
orchestra answered 1 year agoRelated Solutions
In the United States, males between the ages of 40 and 49 eat on average 105.1...
In the United States, males between the ages of 40 and 49 eat on
average 105.1 g of fat every day with a standard deviation of 4.5 g
("What we eat," 2012). Assume that the amount of fat a person eats
is normally distributed.
(a) State the random variable.
(b) Find the probability that a man age 40-49 in the U.S. eats
more than 110 g of fat every day.
(c) Find the probability that a man age 40-49 in...
In the United States, males between the ages of 40 and 49 eat on average 103.1...
In the United States, males between the ages of 40 and 49 eat on
average 103.1 g of fat every day with a standard deviation of 4.32
g. Assume that the amount of fat a person eats is normally
distributed. Round the probabilities to four decimal places. It is
possible with rounding for a probability to be 0.0000.
a) State the random variable. rv X = the fat consumption of a
randomly selected male in the US between the ages...
In the United States, males between the ages of 40 and 49 eat on average 103.1...
In the United States, males between the ages of 40 and 49 eat on
average 103.1 g of fat every day with a standard deviation of 4.32
g. The amount of fat a person eats is not normally distributed. A
random sample of 33 men age 40-59 in the U.S. is taken.
It is possible with rounding for a probability to be 0.0000.
a) Identify the individual, variable, type of variable and the
random variable X in the context of...
In the United States, males between the ages of 40 and 49 eat on average 105.1...
In the United States, males between the ages of 40 and 49 eat on
average 105.1 g of fat every day with a standard deviation of 4.5 g
("What we eat," 2012). Assume that the amount of fat a person eats
is normally distributed. (a) State the random variable. (b) Find
the probability that a man age 40-49 in the U.S. eats more than 110
g of fat every day. (c) Find the probability that a man age 40-49
in...
A) Suppose that in a certain country, males between the ages of 40 and 49 eat...
A) Suppose that in a certain country, males between the ages of
40 and 49 eat on average 102.7 g of fat every day with a standard
deviation of 4.35 g. Assume that the amount of fat a person eats is
normally distributed.
Find the probability that a man age 40-49 from this country eats
more than 110 g of fat every day.
P(x > 110) =
Find the probability that a man age 40-49 from this country eats
less...
Among adults between the ages of 40 and 55, is there a difference between males and...
Among adults between the ages of 40 and 55, is there a
difference between males and females in social networking, as
measured by number of minutes on Facebook during a one-month
span?
a. Identify the independent variable (IV) and levels of the IV.
If appropriate label the control group and the experimental group.
b. What scale of measurement is used for the IV? c. Identify the DV
by giving both its construct and its operational definition. Be
sure to label...
Twenty adult males between the ages of 30 and 40 participated in a study to evaluate...
Twenty adult males between the ages of 30 and 40 participated in
a study to evaluate the effect of a specific health regimen
involving diet and exercise on the blood cholesterol. Ten were
randomly selected to be a control group, and ten others were
assigned to take part in the regimen as the treatment group for a
period of 6 months. The accompanying table shows the reduction in
cholesterol experienced for the time period for the 20 subjects.
Compute the...
Suppose that we sample 180 diabetic patients between the ages of 50-60 in the United States....
Suppose that we sample 180 diabetic patients between the ages of
50-60 in the United States. 50 of them report being diagnosed with
diabetic neuropathy. Nationally, 1 out of 3 diabetics within this
age group report neuropathy. What is the appropriate hypothesis
test to use if we are interested in determining whether the
proportion of diabetics in the sample with neuropathy is
significantly different from the proportion of diabetics with
neuropathy in the entire population?
The ages of some vice presidents in the United States at the time of their death...
The ages of some vice presidents in the United States at
the time of their death are listed below.
50
62
65
71
79
51
64
67
76
86
54
65
68
77
87
1. Construct a group frequency distribution using 4
classes.
class limits, class boundaries, frequency and relative
frequency
2. Construct a cumulative frequency distribution with
the ages of some vice presidents at the time of their
death.
Class boundaries, cumulative frequency and cumulative
relative frequency
The income of males in each state of the United States, including the District of Columbia...
The income of males in each state of the United States,
including the District of Columbia and Puerto Rico, are given in
Table 1, and the income of females is given in Table 2 ("Median
income of," 2013):
Table 1: Data of Income for Males
$42,951
$52,379
$42,544
$37,488
$49,281
$50,987
$60,705
$50,411
$66,760
$40,951
$43,902
$45,494
$41,528
$50,746
$45,183
$43,624
$43,993
$41,612
$46,313
$43,944
$56,708
$60,264
$50,053
$50,580
$40,202
$43,146
$41,635
$42,182
$41,803
$53,033
$60,568
$41,037
$50,388
$41,950
$44,660...
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