A dreidel is a four-sided top that contains a hebrew letter

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A dreidel is a four-sided top that contains a Hebrew letter on each side: nun, gimmel, heh, shin. Here we suppose that a fair dreidel is to be spun ten times. Compute the probability of each of the following events:

a) five gimmels and five hehs.

b) no nuns or shins.

c) two letters are absent and two letters are present.

d) at least two letters are absent.

Reference no: EM13638353

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