Answer:
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Step-by-step explanation:
All you do is add up all the dots to the left of 10. There are nine dots, therefore nine people are less than <em>ten years old</em>.
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Is x+y=16 y=3-x consistent inconsistent or equivalent
2 answers:
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Given the question:
Part A:
The probability that a sample of size, n, of a normally distributed data with a mean of μ, and standard deviation of σ, is within, a, units of the mean is given by
Thus, the probability that the mean price for a sample of 30 H&R Block retail customers is within $8 of the population mean is given by:
Part B:
The probability that the mean price for a sample of 50 H&R Block retail customers is within $8 of the population mean is given by:
Part C:
The probability that the mean price for a sample of 50 H&R Block retail customers is within $8 of the population mean is given by:
The mean tax-return preparation fee H&R Block charged retail customers last year was $183 (The Wall Street Journal, March 7, 2012). Use this price as the population mean and assume the population standard deviation of preparation fees is $50.
Round your answers to four decimal places.
a. What is the probability that the mean price
for a sample of 30 H&R Block retail customers is within $8 of
the population mean?
b. What is the probability that the mean price
for a sample of 50 H&R Block retail customers is within $8 of
the population mean?
Part A:
The probability that a sample of size, n, of a normally distributed data with a mean of μ, and standard deviation of σ, is within, a, units of the mean is given by
Thus, the probability that the mean price for a sample of 30 H&R Block retail customers is within $8 of the population mean is given by:
Part B:
The probability that the mean price for a sample of 50 H&R Block retail customers is within $8 of the population mean is given by:
Part C:
The probability that the mean price for a sample of 50 H&R Block retail customers is within $8 of the population mean is given by: