Mathematics, 23.03.2021 19:10 EvankzGao
A box contains 40 pens. 30 of the pens are blue and the rest are green. one pen is taken out at random and replaced by five of the other colour. another pen is taken out at random.
A. work out the probability that are 3 pens are green.
B. work out the probability that all three pens are the same colour.
C. work out the probability that all three pens on not the same colour. Help please
Answers: 3
Mathematics, 21.06.2019 18:30
Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
Answers: 1
Mathematics, 21.06.2019 19:00
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
Mathematics, 21.06.2019 21:40
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
Mathematics, 21.06.2019 22:00
Iam at home. /: i am playing video games. translate the following statement into symbolic form.
Answers: 2
A box contains 40 pens. 30 of the pens are blue and the rest are green. one pen is taken out at rand...
Mathematics, 14.12.2019 01:31
Mathematics, 14.12.2019 01:31
Biology, 14.12.2019 01:31
History, 14.12.2019 01:31