SOLUTION: If you solve the question below, I'll be appreciated. A study on the length of time a person brushes their teeth is conducted on a large population of adults. The mean brushing

Algebra.Com
Question 1205517: If you solve the question below, I'll be appreciated.
A study on the length of time a person brushes their teeth is conducted on a large population of adults. The mean brushing time is \mu and the standard deviation is \sigma. A simple random sample of 270 adults is considered.
(NOTE: For the following problems enter: '' GREATER THAN '', '' EQUAL TO '', '' LESS THAN '', or '' NOT ENOUGH INFORMATION '', without the quotes.)
(a) The mean of the sampling distribution is ? the mean of the population.
(b) The standard deviation of the sampling distribution is ? the standard deviation of the population.

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

A study on the length of time a person brushes their teeth is conducted on a large population of adults.
The mean brushing time is and the standard deviation is .
A simple random sample of adults is considered.
(a) The mean of the sampling distribution is the mean of the population.
(b) The standard deviation of the sampling distribution is the standard deviation of the population.
Explanation:
means are to each other
standard deviation is

RELATED QUESTIONS

A tube of tooth paste contains 6.5 ounces of tooth paste. Erika uses an average of 0.25... (answered by jorel1380)
If you solve the question below, I'll be appreciated. The level of nitrogen oxides... (answered by MathLover1)
If you solve the question below, I'll be appreciated. A statistics practitioner took a (answered by Theo)
If you solve the question below, I'll be appreciated. The scores of students on the... (answered by Theo)
The ratio of the teeth on gear A to those on gear B is 4 to 7. If gear B has 35 teeth,... (answered by Alan3354)
The ratio of teeth on a pair of driving gears is 13:6, with the larger gear having more... (answered by Alan3354)
The speed of a bicycle gear, in revolutions per minute, is inversely proportional to the... (answered by josmiceli)
If you solve the question below, I'll be appreciated. An exam consists of 42... (answered by Theo)
‘That’s a question no gentleman should ask,’ she replied, ‘but I’ll tell you if you... (answered by ptaylor)