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forsale [732]
2 years ago
9

Is it true or false

Mathematics
2 answers:
3241004551 [841]2 years ago
7 0

True.

I hope this helps you

LiRa [457]2 years ago
5 0

I’m pretty sure it’s true! Sorry if it wrong! :)

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Write the difference as a mixed number.<br>3- 1 1/3<br><br>​
BigorU [14]

Answer:

11/3 as a mixed number would be 3 2/3

Step-by-step explanation:

6 0
3 years ago
A large random sample was taken of body temperatures of women at a university. The data from the sample were normally distribute
ivanzaharov [21]

The best estimate of the proportion of all women at this university who have a body temperature more than 2 standard deviations above the mean is 2.28%.

Since the sample is normally distributed and has a mean μ = 98.52 F and a standard deviation, σ = 0.727 F and we need to find the percentage of all womenat this university who have a body temperature more than 2 standards deviations above the mean.

<h3>The normal distribution</h3>

Since the sample is normally distributed, 50% of the sample is below the mean. We have 34% of the sample at 1 standard deviation away from the mean and 47¹/₂% at 2 standard deviations above the mean.

<h3>Percentage below 2 standard deviations away from mean</h3>

So, the percentage below 2 standard deviations from the mean is 50% + 47¹/₂% = 97¹/₂%.

<h3>Percentage above 2 standard deviations away from mean</h3>

So, the percentage above 2 standard deviations from the mean is 100% - 97¹/₂% = 2¹/₂% = 2.5 %

Since 2.28 % is the closest to 2.5 % from the options, the best estimate is 2.28 %.

So, the best estimate of the proportion of all women at this university who have a body temperature more than 2 standard deviations above the mean is 2.28%.

Learn more about normal distribution here:

brainly.com/question/25800303

6 0
2 years ago
Layton made 117$ for 9 hours of work.at the same rate,how many hours would she have to work to make $65?
Bogdan [553]

Since she makes $13 per hour, she would have to work 5 hours to make $65.

7 0
3 years ago
Help please <br><br> something+(-4)=-1
omeli [17]
The answer should be 3.
6 0
3 years ago
What is the mass of 75¢ in nickels?
Dima020 [189]
According to the United States Mint, the mass of 1 nickel is 5.000 g.

\dfrac{\$0.75}{\$0.05} = 15

There are 15 nickles in 75 cents worth of nickels.

15 * 5.000 g = 75.000 g

Answer: 75.000 grams
6 0
3 years ago
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