Question

1

A bag contains 10 red, 10 blue, 10 green, and 10 yellow M&Ms. An M&M is randomly pulled from the bag and replac
Outcome
Trial
Observed
yellow
2
blue
yellow
red
5
blue
yellow
yellow
3
4
6
7
Which color's observed frequency is closest to its expected frequency?
red
blue
green
O yellow

Answer 1

Blue

Explanation:

Expected frequency is:

red 10/40 = 1/4 = 0.25 = 25%

blue 10/40 = 1/4 = 0.25 = 25%

yellow 10/40 = 1/4 = 0.25 = 25%

green 10/40 = 1/4 = 0.25 = 25%

Observed Frequency is:

red 1/7 = 0.14 = 14%

blue 2/7 = 0.28 = 28% √

yellow 4/7 = 0.57 = 57%

green 0/7 = 0.00 = 0%