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KariSupreme
20.12.2019 •
Mathematics
In one lottery, a player wins the jackpot by matching all five numbers drawn from white balls (1 through 45) and matching the number on the gold ball (1 through 35). if one ticket is purchased, what is the probability of winning the jackpot?
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Ответ:
the probability of winning the jackpot is 1 in 42 761 565.
Step-by-step explanation:
The number of ways to select five numbers from 45 is:
ⁿCₐ = n! / (n - a)! × a!
where
a is the number of objectsn is the number of distinct objectsTherefore,
⁴⁵C₅ = 45! / (45 - 5)! × 5!
= (45 × 44 × 43 × 42 × 41) / (5 × 4 × 3 × 2 × 1)
= 1221759
There are 35 ways to select a gold ball. Therefore, the total number of ways to get 6 matching numbers is:
1221759 × 35 = 42 761 565
Ответ:
AnswerAverage pay per hour 19.15
Step-by-step explanation:
1750 + 2% = 1785 pay increase
1785 x 12 months = 21420 a year
21420 divided by 52 weeks in a year averages to 411.92 weekly
Divide 411.92 by the 45 hours of work is 19.15 per hour
Brainliest please, if correct.