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Elenna [48]
3 years ago
6

8th grade students held a fundraiser dinner. they paid a flat rate of $125 for the use of a building plus $13 for each student w

ho attended. the total cost was $944. how many students attended?
Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0

Answer: 63 students

Step-by-step explanation: Subtract $944-$125 = $819. After we get this answer we divide it by $13. $819 / $13= 63. Therefore, 63 students attended the dinner.

daser333 [38]3 years ago
7 0

Answer: 63

Step-by-step explanation:

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An unfair coin has a probability of coming up heads of 0.65. The coin is flipped 50 times. What is the probability it will come
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Answer: the probability it will come up heads 25 or fewer times is 0.019

Step-by-step explanation:

Given that;

n = 50

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so, q = 1 - p = 0.35

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so, we need to use Normal Approximation for the Binomial Distribution

μ = np = 50 × 0.65 = 32.5

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{using continuity correction}

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using z-table

= 0.01923 ≈ 0.019  { 3 decimal places}

Therefore the probability it will come up heads 25 or fewer times is 0.019

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