![SmokeyRN](/avatars/36058.jpg)
SmokeyRN
04.06.2020 •
Mathematics
A game consists of randomly choosing a bag (labelled 1, 2 or 3) out of a choice
of 100, and then again randomly, picking a ball (red or black) from it.
Each bag has the same total number of balls (10).
Bag options
Ball options
a) Complete the tree diagram.
0.6 Red
b) Work out the probability that a player
will select a red ball.
0.4
Black
0.35
0.44
1
0.2
Red
0.45
2
0.8
Black
c) The same player is going to play the
game 200 times consecutively.
How many black balls should he
expect to pick? 200
0.2
0.7
Red
3
0.3
Black
Solved
Show answers
More tips
- F Family and Home How to Quickly and Effectively Remove Gum from Clothing?...
- A Auto and Moto How to choose the right drive for your BMW...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
Answers on questions: Mathematics
- M Mathematics Sandy takes a day off once every 4 days, and morgan takes a day off once every 10 days. today, both of them have taken the day off. how many days will it be until they have...
- M Mathematics An asprin tablet in a shape of a right circular cylinder has the height of 2/5 cm and the raidus of 1/2cm. the manufacturer also wishes to market the asprin in capsule form....
- S Social Studies How did the shift in political boundaries after World War I compare to the way Europe is divided up today? a.) The political boundaries of Europe have changed a great deal...
- S Social Studies The function of neurons is to secrete hormones. is this true or false? its psychology...
- M Mathematics HELP PLEASE DUE TODAY:...
- B Biology Cell division is triggered when cells reach a certain size because...
Ответ:
It is both 7 + 6 = 6 + 7 and 7 + (4 + 6) = (7 + 4) + 6
I would go with
7 + (4 + 6) = (7 + 4) + 6