Question

4.21 Game of dreidel. A dreidel is a four-sided spinning top with the Hebrew letters nun, gimel, hei, and shin, one on each side. Each side is equally likely to come up in a single spin of the dreidel. Suppose you spin a dreidel three times. Calculate the probability of getting (a) at least one nun? (b) exactly 2 nuns? (c) exactly 1 hei? (a) at most 2 gimels? Photo by Staccabees, cropped (http://flic.kr/p/7gLZTA) CC BY 2.0 license

Answer 1

Solution- 4-21 (A Given that Adreidel is a Spinning frowr-gided fop with he Hebruw latters num,gimel, hei, aund ghin. one on Each fide arobabiliky tor getivg num The 0-25 Tme probability tgetting gimel V4 0-25 Tme probability a getting hei V = 0-25 Tme probahilityta getling ghin 4 0.25 et xGin (3, V4) PCx) nc p7-x m) P(z2D a PLat Laart one nu = 1-PCo) 1-3 6C : 0.5781 b PlEtaltly 2 nums): PCx-2) 3c2( 0 1406

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