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andrew11 [14]
3 years ago
12

Please help! I just need the second question answered given the first is correct.

Mathematics
1 answer:
Nataliya [291]3 years ago
5 0

Answer: 0.970 ??

Step-by-step explanation:

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A gondola (cable car) at a ski area holds 50 people. Its maximum safe load is 10000 pounds. A population of skiers has a distrib
fenix001 [56]

Answer:   0.03855

Step-by-step explanation:

Given :A population of skiers has a distribution of weights with mean 190 pounds and standard deviation 40 pounds.

Its maximum safe load is 10000 pounds.

Let X denotes the weight of 50 people.

As per given ,

Population mean weight of 50 people = \mu=50\times190=9500\text{ pounds}

Standard deviation of 50 people =\sigma=40\sqrt{50}=40(7.07106781187)=282.84

Then , the probability its maximum safe load will be exceeded =

P(X>10000)=P(\dfrac{X-\mu}{\sigma}>\dfrac{10000-9500}{282.84})\\\\=P(z>1.7671-8)\\\\=1-P(z\leq1.7678)\ \ \ \ [\because\ P(Z>z)=P(Z\leq z)]\\\\=1-0.96145\ \ \ [\text{ By p-value of table}]\\\\=0.03855

Thus , the probability its maximum safe load will be exceeded = 0.03855

3 0
3 years ago
How would you get answer for at the grocery store cherries cost $5 for 2 pounds and $7.50 for 3 pounds. What is the cost per pou
goldfiish [28.3K]
Hope this answer helps you! If it did, please mark it as the brainiest! I would really appreciate it! :)

8 0
3 years ago
What is the expression for the area of the old garden if the perimeter is 6w+8, where W represents the width?
musickatia [10]

Answer:

w(2w+4)

Step-by-step explanation:

we know A = l * w

and Perimeter = 2l + 2w

we want to find l in terms of w

2l + 2w = 6w + 8

2l = 4w + 8

l = 2w + 4

so A = w * (2w + 4)

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3 years ago
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Naddika [18.5K]
12.18 that is the answer to the question
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icang [17]

Answer:

8 boys for every 10 girls

Step-by-step explanation:

5 0
3 years ago
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