Answer:
48.1
Explanation:
Remove Decimals & Multiply
1850 · 26
= 4810
18.5 Has One Decimal Places
2.6 Has One Decimal Place
Move The Decimal Over Two Places
4810 48.1
Carl is making accessories for the soccer team. He uses 857.77 inches of fabric on headbands for 29 players and 2 coaches. He al
1 answer:
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Answer:
The mathematical expectation of a student who purchases 10 tickets is -$39.65.
Step-by-step explanation:
A student that purchases 10 tickets out of 2900 has a probability of winning the cruise that can be calculated as:
Each ticket cost $5, so he has spent $50 for the 10 tickets.
Then, the expected value of this operation is equal to the expected value of the earnings (probability of winning the prize multiplied by the value of the prize), minus the costs:
The mathematical expectation of a student who purchases 10 tickets is -$39.65.