Mathematics, 04.04.2021 18:00 wickedskatboarder
10. A bag contains 20 discs of equal size of
which 12 are red, x are blue and the rest
are white.
a) If the probability of selecting a blue disc
is , find x.
b) A disc is drawn and then replaced.
A second disc is drawn. Find the
probability that neither disc is red.
β
Answers: 2
Mathematics, 21.06.2019 17:30
33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.
Answers: 1
Mathematics, 21.06.2019 19:30
Finally, the arena decides to offer advertising space on the jerseys of the arenaβs own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?
Answers: 3
Mathematics, 21.06.2019 20:10
21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)
Answers: 3
Mathematics, 21.06.2019 22:00
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
Answers: 3
10. A bag contains 20 discs of equal size of
which 12 are red, x are blue and the rest
are whi...
are whi...
Biology, 10.02.2020 05:55
History, 10.02.2020 05:56
Mathematics, 10.02.2020 05:56
Mathematics, 10.02.2020 05:56
History, 10.02.2020 05:56
Mathematics, 10.02.2020 05:56
Chemistry, 10.02.2020 05:56
Mathematics, 10.02.2020 05:56
English, 10.02.2020 05:57
Mathematics, 10.02.2020 05:57
Mathematics, 10.02.2020 05:57