A, B, C, D, and E are deciding the order of tryouts. (a) B does not want to be the first and D does not want to be the last. How many orders are possible? (b) If C and E do not want to go consecutively, how many orders are possible? (c) If A and B want to go consecutively. How many orders are possible?
A, B, C, D, and E are deciding the order of tryouts.
(a) B does not want to be the first and D does not want to be the last. How many orders are possible?
(b) If C and E do not want to go consecutively, how many orders are possible?
(c) If A and B want to go consecutively. How many orders are possible?
(d) What is the probability that A and B are presenting consecutively if the order is randomly generated?
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Given
A, B, C, D, E are deciding the order of tryouts.
a)
The total number of ways of ordering five persons A, B, C, D, E
The number of ways where B is the first to order
The number of ways where D is the last to order
The number of ways where B is the first and D is the last to order
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