Mathematics, 30.11.2019 02:31 tatemelliott
Suppose that 25% of the fire alarms in a large city are false alarms. let x denote the number of false alarms in a random sample of 100 alarms. approximate the following probabilities. (round all answers to four decimal ) p(20 ≤ x ≤ 30) = (b) p(20 < x < 30) = (c) p(x ≥ 30) = (d) the probability that x is farther than 2 standard deviations from its mean value
Answers: 1
Mathematics, 21.06.2019 19:50
Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27
Answers: 1
Mathematics, 21.06.2019 21:00
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
Answers: 3
Mathematics, 22.06.2019 01:00
The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?
Answers: 3
Suppose that 25% of the fire alarms in a large city are false alarms. let x denote the number of fal...
Chemistry, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57
Health, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57
Mathematics, 19.06.2020 03:57