Deborah has two paintings in her portfolio and paints three more each week.Kai has twelve paintings in her portfolio and paints
1 answer:
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Answer:
43,200 serial numbers can be generated
Step-by-step explanation:
The ordering for the letters and the digits are important. For example, 012 constitutes a different serial number than 210. So we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
How many serial numbers can be generated
3 letters, from the first five of the alphabet
3 digits, from a set of 10
So
43,200 serial numbers can be generated
Answer:
Step-by-step explanation:
Let M denote the event that the stock makes money and D denote the event that the stock pays dividends.
It is given that
Observe that the two events M and D are not independent because if the stock doesn't make money then it will not pay dividends. Therefore the event (D given M does not occur) is a null event, i.e
It is also given that,
Recall that :
Here, we are required to find