Question
In: Statistics and Probability
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How many subjects are needed to estimate the mean HDL cholesterol within 2 points with 99 % confidence assuming s=11.2 based on earlier studies? Suppose the doctor would be content with 90 % confidence. How does the decrease in confidence affect the sample size required?
A 99% confidence level requires _____ subjects.
Solutions
orchestra answered 2 years agoRelated Solutions
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 4 points with 99 % confidence
assuming s equals 10.9 based on earlier studies? Suppose the
doctor would be content with 90 % confidence. How does the decrease
in confidence affect the sample size required?
A. A 99% confidence level requires __ subjects.
B. A 95% confidence level requires __ subjects.
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 4 points with 99% confidence
assuming s=13.7 based on earlier studies? Suppose the doctor would
be content with 90% confidence. How does the decrease in confidence
affect the sample size required?
A) 99% confidence level requires_____ Subject. (round up to the
nearest subject)
B) 90% confidence level requires_____ Subject. (round up to the...
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within
2
points with
99%
confidence assuming
s equals s=17.3
based on earlier studies? Suppose the doctor would be content
with
95%
confidence. How does the decrease in confidence affect the
sample size required?
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within
3
points with
99%
confidence assuming
s=18.1
based on earlier studies? Suppose the doctor would be content
with
90 %
confidence. How does the decrease in confidence affect the
sample size required?
A 99% confidence level requires _____ subjects. (Round up to
the nearest subject.)
90%confidence level requires ____ subjects. (Round up to...
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 3 points with 99 % confidence
assuming s equals 16.9 based on earlier studies? Suppose the
doctor would be content with 95 % confidence. How does the decrease
in confidence affect the sample size required?
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 3 points with 99% confidence
assuming s=12.5 based on earlier studies? Suppose the doctor would
be content with 90% confidence. How does the decrease in confidence
affect the sample size required?
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 3 points with 99 % confidence
assuming s equals 12.4 based on earlier studies? Suppose the
doctor would be content with 95 % confidence. How does the decrease
in confidence affect the sample size required? LOADING... Click
the icon to view a partial table of critical values. A 99%
confidence level requires 64...
A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How...
A doctor wants to estimate the mean HDL cholesterol of all 20-
to 29-year-old females. How many subjects are needed to estimate
the mean HDL cholesterol within 4 points with 99 % confidence
assuming s equals 13.9 based on earlier studies? Suppose the
doctor would be content with 90 % confidence. How does the decrease
in confidence affect the sample size required? A 99% confidence
level requires nothing subjects. (Round up to the nearest
subject.) A 90 % confidence level...
doctor wants to estimate the mean HDL cholesterol of all 20 to 29 year old females....
doctor wants to estimate the mean HDL cholesterol of all 20 to
29 year old females. How many subjects are needed to estimate the
mean HDL cholesterol within 2 points with 99% confidence assuming s
= 15.7 based on earlier studies? Suppose the doctor would be
content with 95% confidence. How does the decrease in confidence
affect the sample size? 99% requires ??? subjects 95% requires ????
subjects How does the decrease in confidence affect the sample
size?
A doctor wants to estimate the HDL cholesterol of all 20- to 29-year-old females. How many...
A doctor wants to estimate the HDL cholesterol of all 20- to
29-year-old females. How many subjects are needed to estimate the
HDL cholesterol within 2 points with 99 % confidence assuming sigma
equals 14.2 question mark Suppose the doctor would be content with
90 % confidence. How does the decrease in confidence affect the
sample size required? A 99% confidence level requires nothing
subjects. (Round up to the nearest whole number as needed.) A 90 %
confidence level requires...
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