3 years ago

How to do it step by step easy

Mathematics

1 answer:

alekssr [168]3 years ago

7 0

Answer:

sorry I don't know the answer.sorryyyyyy

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A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the

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Answer:

option (c) n = 201

Step-by-step explanation:

Data provided in the question:

Standard deviation, s = 5.5 ounce

Confidence level = 99%

Length of confidence interval = 2 ounces

Therefore,

margin of error, E = (Length of confidence interval ) ÷ 2

= 2 ÷ 2

= 1 ounce

Now,

E = $\frac{zs}{\sqrt n}$

here,

z = 2.58 for 99% confidence interval

n = sample size

thus,

1 = $\frac{2.58\times5.5}{\sqrt n}$

n = (2.58 × 5.5)²

n = 201.3561 ≈ 201

Hence,

option (c) n = 201

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3 years ago

Becca has $500 to open a checking account. She wants an account with the lowest fees. She writes about 12 checks per month and h

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Answer:

Account B would be the best option

Step-by-step explanation:

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3(2x) + 3(-1) = -21 <br><br>6x - 3 = -21<br> What property is being used ?

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Distributive property, since 3(2x) you distribute and get 6x

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3 years ago

The lowest number is 11 the range is 13 and the median is 17 what are the 3 numbers

11Alexandr11 [23.1K]

Answer:

11, 17, and 28.

Step-by-step explanation:

$x, y, z\\$

Lowest number is $x$

Median is $y$

Highest number is $z$

$x=11\\y=17\\\\z-x=17\\z-11=17\\z-11+11=17+11\\z=28\\\\x=11\\y=17\\z=28\\\\11, 17, 28$

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3 years ago

You build a seahorse hotel that’s 6 inches wide and 12 inches tall. It has a volume of 864 cubic inches. What is the hotel’s len

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Answer:

864/(6*12)

864/72

12 = l

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