Your friend works as a salesman in a shop were she earns $200 a week. She is paid a commission of 5% of her sales. How much did
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Given:
A biased dice is thrown 300 times.
Table of probabilities of each score.
To find:
The expected number of times the score will be odd.
Solution:
Odd numbers on the dice are 1, 3, 5. The sum of their probability is
Even numbers on the dice are 2, 4, 6. The sum of their probability is
Now, the expected number of times the score will be odd is
Therefore, the expected number of times the score will be odd is 210.
We will use the distributive property, where and
.
Therefore, the simplified expression is 4x+40.