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alexgriva [62]
3 years ago
11

If I am in a restaurant, and I want to leave a 22% tip, how much money should I leave if the bill is $32.00?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0
22% of $32.00 is $7.04

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(20 points) A statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s
Nimfa-mama [501]

Answer:

The P-value is 0.0234.

Step-by-step explanation:

We are given that a statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s = 20.

Let = population mean.

So, Null Hypothesis, : = 100 {means that the population mean is equal to 100}

Alternate Hypothesis, : > 100 {means that the population mean is more than 100}

The test statistics that will be used here is One-sample t-test statistics because we're yet to know about the population standard deviation;

T.S. = ~

where, = sample mean = 98

s = sample standard deviation = 20

n = sample size = 400

So, the test statistics = ~

= -2

The value of t-test statistics is -2.

Now, the P-value of the test statistics is given by;

P( < -2) = 0.0234 {using the t-table}

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3 years ago
5y + 6 = 25 + 6 what property of equality is used
steposvetlana [31]
Addition property
6=6 then 5y+6=25+6
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2 years ago
Written goals should be simple and short. true or false
dlinn [17]
True a goal is something that should be simple and easy
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3 years ago
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Will give brainliest to correct answer​
likoan [24]

The answer is B

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Two students are reading a novel. Ashley reads 10 pages per day. Carly reads 8 pages per day, but she starts
natulia [17]

Answer:

On day 20, they should both be on page 200

Step-by-step explanation:

I set the 2 equations up:

10d=8d+40 and then subtracted 8d from both sides

2d=40 and then divided both sides by 2

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I then took 20 and multiplied it by 10 for Ashley (200) and then multiplied it by 8 for Carly (160) and added 40 (200)

Hope this helps!

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2 years ago
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