Mathematics, 03.05.2020 13:53, Batzs3rdacct
A leading medical journal has claimed that 71% of roller coaster rides get extreme anxiety just before the ride begins. A popular theme park wants to conducts a survey to verify this the patrons in their park and wants to do so with a margin of error of +8%. What minimum sample size, rounded to the nearest whole person, would the theme park need to use?
A. N β₯ 129
B. N β₯ 118
C. N β₯ 150
D. N β₯ 75
Answers: 3
Mathematics, 21.06.2019 15:20, kylabreanne120
(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *β¦ 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, β¦., 1+2+3+β¦ + 99, and 1+2+3+β¦ + 100
Answers: 1
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