Question: Use these steps 1) Ho and Ha 2. Use the chi squared test 3. X^2 calculation 4. what is the probability 5. Do we reject

Use these steps

1) Ho and Ha

2. Use the chi squared test

3. X^2 calculation

4. what is the probability

5. Do we reject or fail to reject and why

(a) A box contains a very large number of marbles of 3 different colours: red, orange, and green. A sample of 50 marbles drawn from the box contained 14 red, 16 orange, and 20 green marbles. Does the box contain equal proportions of the 3 colours?

(b). This same box is tipped, and loses some marbles. You take a sample of 45 and it contains 7 red, 18 orange and 20 green. Does the box contain equal proportions of the 3 colours now?

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