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Airida [17]
3 years ago
15

write an equation of the line that passes through the given point has the given slope. how do I do this??

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0
You will have to use the formula y-y1=m(x-x1)
Use the coordinates of the given point to fill in y1 and y2 and use the given slope as m.
Then if it is desired for the final equation to be solved for y (slope intercept form) just factor the one side, and solve for y

EXAMPLE: given slope=3  given point that the line passes through= (5,7)
y-y1=m(x-x1)
y-7=3(x-5)
y-7=3x-15
y=3x-15+7
y=3x-8
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shepuryov [24]

Using the normal distribution, it is found that there is a 0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • For n instances of a normal variable, the mean is n\mu and the standard error is s = \sigma\sqrt{n}

In this problem:

  • Mean of $0.47, standard deviation $0.15, hence \mu = 0.47, \sigma = 0.15
  • 30 instances, hence n\mu = 30(0.47) = 14.1, s = 0.15\sqrt{30} = 0.8216

The probability is <u>1 subtracted by the p-value of Z when X = 15</u>, hence:

Z = \frac{X - \mu}{\sigma}

Considering the n instances:

Z = \frac{X - n\mu}{s}

Z = \frac{15 - 14.1}{0.8216}

Z = 1.1

Z = 1.1 has a p-value of 0.8643.

1 - 0.8643 = 0.1357.

0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

A similar problem is given at brainly.com/question/25769446

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2 years ago
Solve for x.<br> plz answer fasttt
DaniilM [7]

Answer:

9

Step-by-step explanation:

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