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Identify which of the 5 sampling techniques is being used. To avoid working late, the quality control manager inspects the last 10 items produced that day.

A researcher wished to gauge public opinion on gun control. He randomly selected 1000 people from among registered voters and asked them the following question: “Do you believe that gun control laws which restrict the ability of Americans to protect their families should be eliminated?”. Identify the abuse of statistics and suggest a way the researcher’s methods could be improved.

Express the indicated degree of likelihood as a probability value. “It will definitely turn dark tonight.”

Two events are disjoint if

Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. For a random sample of 153 adult​ males, the mean pulse rate is 69.3 bpm and the standard deviation is 11.3 bpm.  H0: [a1][a2][a3] HA: [a4][a5][a6]   Find the p-value. [a7]

What is the difference between a standard normal distribution and a nonstandard normal​ distribution?

Sample data set:10        22        12        18        11        27        10        15Calculate P65 of the above data set:

For the following, given the symbol used in either H0 or HA, classify as left-tailed, right-tailed or two-tailed.

Identify the following as a parameter or statistic: A survey from a college showed the average salary of 1000 of its 30,000 graduates was $125,000. [a1] The average salary of all assembly-line employees at a certain car manufacturer is $33,000. [a2] The average time to complete a 4-year degree for all college students in the United States is 6.2 years. [a4] The average late fee for 360 card holders was found to be $56.75. [a3]    

Find Za/2 for 95% confidence.