# 2 statistic questions

*label*Other

*timer*Asked: Apr 23rd, 2013

**Question description**

1. A probability experiment consists of rolling a eight sided die and spinning a spinner that has 4 colors. Red, Blue, Green, and Yellow. The spinner is equally likely to land on each color. Use a tree diagram to find the probability to the given event. Then tell whether the event can be considered unusual.

Event: Rolling a number less than 3 and the spinner landing on red.

The probability of the event is ___.

(TYPE AN INTERGER OR A SIMPLIFIED FRACTION.)

2. Determine the probability that at least 2 people in a room of 14 people share the same birthday, ignoring leap years and assuming each birthday is equally likely, by answering the following questions:

(a.) Compute the probability that 14 people have different birthdays.

(b.)The complement of 14 people have different birthdays is at least 2 share a birthday. Use this information to compute the probability at least 2 people out of 14 share the same birthday.

Answer to question A_____

Answer to question B_____