Mathematics, 22.11.2019 17:31 shiny9362
Atelevision sports commentator wants to estimate the proportion of citizens who "follow professional football." complete parts (a) through (c). (a) what sample size should be obtained if he wants to be within 4 percentage points with 94% confidence if he uses an estimate of 52% obtained from a poll? the sample size is nothing. (round up to the nearest integer.) (b) what sample size should be obtained if he wants to be within 4 percentage points with 94% confidence if he does not use any prior estimates? the sample size is nothing. (round up to the nearest integer.) (c) why are the results from parts (a) and (b) so close? a. the results are close because 0.52 left parenthesis 1 minus 0.52 right parenthesis equals0.2496 is very close to 0.25. b. the results are close because the confidence 94% is close to 100%. c. the results are close because the margin of error 4% is less than 5%.
Answers: 3
Mathematics, 21.06.2019 15:00, aubreystechschu11331
Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?
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Mathematics, 21.06.2019 23:00, bustillojoshua4
According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)
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Mathematics, 21.06.2019 23:00, dianereyes7475
The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2
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Atelevision sports commentator wants to estimate the proportion of citizens who "follow professional...
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