Mathematics, 20.09.2021 08:40 dmfraley01
A survey is carried out on police cadets in a school. (a) It is found that the mean number of police cadets is 165, the variance is 132 and the probability that a pupil is a police cadet is p. (i) Find the value of p. (ii) If 10 pupils from the school are chosen at random, find the probability that less than 3 pupils are police cadets.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 18:30
If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.
Answers: 1
Mathematics, 21.06.2019 21:20
Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.
Answers: 1
Mathematics, 21.06.2019 23:30
Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.
Answers: 1
You know the right answer?
A survey is carried out on police cadets in a school. (a) It is found that the mean number of police...
Questions
Mathematics, 17.09.2021 22:10
Business, 17.09.2021 22:10
Mathematics, 17.09.2021 22:10
English, 17.09.2021 22:10
Mathematics, 17.09.2021 22:10
English, 17.09.2021 22:10
Mathematics, 17.09.2021 22:10
History, 17.09.2021 22:10
Computers and Technology, 17.09.2021 22:10
Mathematics, 17.09.2021 22:10
History, 17.09.2021 22:10
Mathematics, 17.09.2021 22:10
