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shepuryov [24]
3 years ago
5

What does 807 divided by 7

Mathematics
1 answer:
Contact [7]3 years ago
6 0
807 divided by 7 = 115.2857143
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What is the function in the equation f(x)=2x+1
oksano4ka [1.4K]

Answer:

ok

Step-by-step explanation:

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3 years ago
A livestock company reports that the mean weight of a group of young steers is 1143 pounds with a standard deviation of 88 pound
malfutka [58]

Answer:

<em>a) P(x<1200)=74.14%</em>

<em>b) P(1100<X<1250)=57.54%</em>

Step-by-step explanation:

<u>Normal Distribution</u>

The normal distribution, also known as the bell curve, is a distribution that occurs naturally in many situations of life. We use the model N(\mu,\sigma) to understand the behavior of some real-life variables. Where \mu is the mean value and \sigma is the standard deviation.

In our case, we have

\mu=1143,\ \sigma=88

And are required to find the percentage of steers whose weigh lie within a given range. We must use some sort of table or digital means to compute the values because the normal distribution cannot be calculated directly by a formula. We use the NORMDIST (or NORM.DIST) formula for Excel which gives us the left tail of the area behind the bell curve, i.e. the cumulative percentage for a give value of X. The formula has the form

NORM.DIST(x,mean,standard_dev,cumulative)

a) X<1200

The formula is used with the following parameters

NORM.DIST(1200,1143,88,true)

and we get

P(X

b) We need to compute P(1100<X<1250). To do this, we calculate both left tails and the subtract them

NORM.DIST(1100,1143,88,true)=0.3125

NORM.DIST(1250,1143,88,true)=0.8880

P(1100

\boxed{P(1100

6 0
3 years ago
Determine the mode for the following set of tests score 63,70,75,80,85,85.85,92,92,95,99
Mariulka [41]

The mode is 85, because it is the most occurring in the data set.

hope that helps :)

6 0
3 years ago
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Step-by-step explanation:

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The electric potential in a circuit is given by
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