<br/> -A password must consist of 6 characters that must be letters from the English alphabet or the digits 0, 1, 2, 3, …, 9 (no special characters). The letters may be lower case and upper case, and case matters, so abC is not the same as abc. The password may not begin with the number 0, but […]
A fair die is rolled 7 times. What is the probability of seeing at least 2 aces? (An ace is the die landing with one spot ) Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
A coin is tossed n times. a) What is the total number of ways the n tosses could come out? b) What is the number of ways the n tosses could come out so that there are exactly k heads among them? Here k is an integer in the range 0 < k < n. Check that your answer makes sense for the boundary cases k = 0 and k = n. c) What is the chance […]
<br/> -The English alphabet consists of 26 letters. From this alphabet, 4 letters will be drawn at random with replacement. a) How many possible sequences of 4 letters can appear? Note that the sequence keeps track of the order in which the letters appear. For example, ABCD is diFFerent from BACD; AAAB is different from […]
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