s) The average time Filipinos spent in streaming site is 15 hours per week. Suppose a sample of 65 Filipinos is taken to analyze their viewing habits. Assume the population standard deviation for viewing time is o = 3 hours. *Use the proper notation in expressing the probability. a. What is the probability the sample mean will be within 1 hour of the population mean? b. What is the probability the sample mean will be within 30 minutes of the population mean?
s) The average time Filipinos spent in streaming site is 15 hours per week. Suppose a sample of 65 Filipinos is taken to analyze their viewing habits. Assume the population standard deviation for viewing time is o = 3 hours. *Use the proper notation in expressing the probability. a. What is the probability the sample mean will be within 1 hour of the population mean? b. What is the probability the sample mean will be within 30 minutes of the population mean?
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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Transcribed Image Text:Note/Hint: within 1 unit from is also same as saying 1 unit of – this means 1 unit above and 1 unit below.
For the z-values – use the set of z-values for the 90%, 95% and 99% confidence level, all else use that
For Hypothesis testing, always show the 5 steps.
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Transcribed Image Text:s) The average time Filipinos spent in streaming site is 15 hours per week. Suppose a sample of 65 Filipinos is taken to
analyze their viewing habits. Assume the population standard deviation for viewing time is o = 3 hours. *Use the
proper notation in expressing the probability.
a. What is the probability the sample mean will be within 1 hour of the population mean?
b. What is the probability the sample mean will be within 30 minutes of the population mean?
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