1 / 2

# Grade D Probability - PowerPoint PPT Presentation

Grade D Probability. The two-way table shows the gender and eye colour of 28 children. (a) A child is chosen at random from the class. Find the probability that the child (i) is a boy (1 mark)

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

The two-way table shows the gender and eye colour of 28 children.

(a) A child is chosen at random from the class. Find the probability that the child

(i) is a boy (1 mark)

(ii) has green eyes (1 mark)

(iii) is a boy or has green eyes (1 mark)

(b) John writes the following in his Maths book.

Explain what is wrong with John’s work.(1 mark)

The two-way table shows the gender and eye colour of 28 children.

(a) A child is chosen at random from the class. Find the probability that the child

(i) is a boy 13/28(1 mark)

(ii) has green eyes 7/28 = ¼(1 mark)

(iii) is a boy or has green eyes 16/28 = 4/7 (1 mark)

(b) John writes the following in his Maths book.

Explain what is wrong with John’s work.(1 mark)