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Lena [83]
3 years ago
9

A shop produces 39 wet suits every 2 weeks. how long will it take the shop to produce 429 wet suits?

Mathematics
1 answer:
valkas [14]3 years ago
3 0
429 ÷ 39= 11 11 ÷ 2= 5.5 (5 1/2) It takes 5 1/2 weeks to produce 429 wetsuits
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A researcher is studying the monthly gross incomes of drivers for a ride sharing company. (Gross incomes represent the amount pa
Reptile [31]

Answer:

The histogram of the sample incomes will follow the normal curve.

Step-by-step explanation:

According to the Central Limit Theorem if we have an unknown population with mean <em>μ</em> and standard deviation <em>σ</em> and appropriately huge random samples (<em>n</em> > 30) are selected from the population with replacement, then the distribution of the sample mean will be approximately normally distributed.

In this case the researches wants to determine the monthly gross incomes of drivers for a ride sharing company.

He selects a sample of <em>n</em> = 200 drivers and ask them their monthly salary.

As the sample selected is quite large, i.e. <em>n</em> = 200 > 30, the central limit theorem can be applied to approximate the sampling distribution of sample mean by the Normal distribution.

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3 years ago
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Answer:

Step-by-step explanation:

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Adult tickets for the school play are $12.00 and children's tickets are $8.00. If a theatre holds 300 seats and the sold out per
Vaselesa [24]
Let x = number of adult tickets, and y = number of children tickets. One equation must deal with the number of tickets, and the other equation must deal with the revenue from the tickets.

Then x + y = 300 is the number of tickets
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Using the substitution method:

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12x + 8y = 3280   ⇒   12x + 8(300-x) = 3280   ⇒   x = 220

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Therefore 220 adult tickets and 80 children's tickets were sold.
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3 15/16 divided by 2 5/8Ask your question here
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