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xxMikexx [17]
3 years ago
11

Select all the numbers that Logan could multiply by 54,216 to get a product less than 54,216

Mathematics
2 answers:
Whitepunk [10]3 years ago
4 0
Any answer less than one would work, soothe answers are A and D
Serjik [45]3 years ago
3 0
To get a product less then 54,216, u will have to multiply by a number less then 1.....so any proper fraction will work...but not an improper one.

so ur answers are : 7/12 and 2/9
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50 pts!!!! Luciana's laptop has 3,000 pictures. The size of the pictures is skewed to the right, with a mean of 3.7MB and a stan
skelet666 [1.2K]

Answer:

<u></u>

  • <u>Part A: No, you cannot.</u>

<u></u>

  • <u>Part B: 0.4491</u>

Explanation:

<u>Part A:</u>

The mean of samples of symmetrical (bell shaped) distributions follow a normal distribution pattern.

Thus, for symmetrical distributions you can use the z-score tables to make calculations that permit calculate probabilities for particular values.

For <em>skewed </em>distributions, in general, the samples do not follow a normal distribution pattern, except that the samples are large.

Since <em>a sample of 20 pictures</em> is not large enough, the answer to this question is negative: <em>you cannot accurately calculate the probability that the mean picture size is more than 3.8MB for an SRS (skewed right sample) of 20 pictures.</em>

<u>Part B.</u>

For large samples, the<em> Central Limit Theorem</em> will let you work with samples from skewed distributions.

Although the distribution of a population is skewed, the <em>Central Limit Theorem</em> states that  large samples follow a normal distribution shape.

It is accepted that samples of 30 data is large enough to use the <em>Central Limit Theorem.</em>

Hence, you can use the z-core tables for standard normal distributions to calculate the probabilities for a <em>random sample of 60 pictures</em> instead of 20.

The z-score is calculated with the formula:

  • z-score = (value - mean/ (standard deviation).
  • z=(x-\mu )/\sigma

Here, mean = 3.7MB, value = 3.8MB, and standard deviation = 0.78MB.

Thus:

         z=(3.7M-3.8MB)/(0.78MB)=-0.128

Then, you must use the z-score table to find the probability that the z-score is greater than - 0.128.

There are tables that show the cumulative probability in the right end and tables that show the cumulative probability in the left end of a normal standard distribution .

The probability that a z-score is greater than -0.128 is taken directly from a table with the cumulative probability in the left end. It is 0.4491.

4 0
3 years ago
Two combines can harvest 320 acres of wheat in a certain amount of time. Assuming all combines work at the same rate, how many a
hoa [83]
2 combines = 320 acres
320/2 = 160 acres per combine
160 * 6 = 960
Answer: 960 acres

Hope this helps!
4 0
2 years ago
Thomas earns $8.75 per hour grooming dogs. He wants to go to the movies with a $50 this weekend. Which equation can he use to fi
sveta [45]

Answer:

8.75h = 50

Step-by-step explanation:

h is the number of hours Thomas needs to groom the dogs.

The rate is $8.75 per hour.

His goal is $50.

$8.75 × h = $50

$8.75h = $50

6 0
2 years ago
Read 2 more answers
Which equation is a line that is parallel to the x-<br> axis and passes through the point (5,2)?
Natali [406]

Answer:

y = 2

Step-by-step explanation:

Since the line is parallel to the x-axis,

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From the point, we know that

x = 5

y = 2

So y = 2 is the line that parallel to x-axis

4 0
3 years ago
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Divide 3/4 by 1/8 and you should get 6 hurdles.
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3 years ago
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