Math 1635 Statistics Probability (Chapter 4) Worksheet 1. If there are 20 marbles marked from 1 to...

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Math 1635 Statistics Probability (Chapter 4)Worksheet

1. If there are 20 marbles marked from 1 to 20 in the bag, whatis the probability to pick a marble from the bag and the number canbe

(a) divided by 2 or 5

(b) divided by 3 or 7

2. When a card is selected from the deck of 52 cards, find theprobability of getting

(a) a spade or a face

(b) a queen or black

(c) a club or an 8

3. When 2 dice are rolled, find the probability of getting

(a) A sum of 7

(b) A sum greater than 8.

(c) A sum less than or equal to 5.

4. A bag contains 2 red, 3 green and 5 white balls. A ball isselected at random and its color is noted. Then it is replaced andanother ball is selected and its color is noted. Find theprobability of:

(a) selecting 2 green balls

(b) selecting red and then green balls

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