Please help 8. The general term for the kind of samples recommended by statisticians is probability sample. Which of these are accurate statements about all probability samples of n individuals? A)All samples of size n can be chosen, and all have the same chance to be chosen. B)There may be some samples of size n that can't be chosen. C) There may be samples of size n that can be chosen, but have different chances to be chosen. D)Both (B) and (C) are true. E) None of these statements is true. 9. The telephone company says that 62% of all residential phone numbers in Los Angeles are unlisted. A telephone survey contacts a random sample of 1,000 Los Angeles telephone numbers, of which 58% are unlisted. In this setting, A)62% is a parameter and 58% is a statistic. B)58% is a parameter and 62% is a statistic. C)62% and 58% are both parameters. D) 58% and 62% are both statistics.
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8. The general term for the kind of samples recommended by statisticians is
A)All samples of size n can be chosen, and all have the same chance to be chosen. B)There may be some samples of size n that can't be chosen.
C) There may be samples of size n that can be chosen, but have different chances to be chosen.
D)Both (B) and (C) are true.
E) None of these statements is true.
9. The telephone company says that 62% of all residential phone numbers in Los Angeles are unlisted. A telephone survey contacts a random sample of 1,000 Los Angeles telephone numbers, of which 58% are unlisted. In this setting,
A)62% is a parameter and 58% is a statistic.
B)58% is a parameter and 62% is a statistic.
C)62% and 58% are both parameters.
D) 58% and 62% are both statistics.
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