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S_A_V [24]
3 years ago
9

The admission fee at an amusement park is $1.50 for children and $5.00 for adults. On a certain day, 344 people entered the park

, and the admission fees collected totaled $1146. How many children and how many adults were admitted?
Mathematics
1 answer:
marin [14]3 years ago
7 0
Jk jk jk jk jk jk jk jk jk jk jk jk jk jk jk jk jk jk
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In a random sample of 45 newborn babies, what is the probability that 40% or fewer of the sample are boys. (Use 3 decimal places
erastova [34]

Answer:

z= \frac{p- \mu_p}{\sigma_p}

And the z score for 0.4 is

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And we want to find this probability:

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And we can use the z score formula given by:

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z = \frac{0.4-0.4}{\sigma_p} = 0

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