Middle Years

$50$50 students were asked whether or not they were allergic to nuts and dairy. The two way table is provided below.

Allergic to Nuts | Not Allergic to Nuts | |
---|---|---|

Allergic to Dairy | $6$6 | $11$11 |

Not Allergic to Dairy | $6$6 | $27$27 |

a

How many students are allergic to nuts?

b

How many students are allergic to nuts or dairy, or both?

c

How many students are allergic to at most one of the two things?

Easy

Approx 3 minutes

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