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Arturiano [62]
2 years ago
8

If anyone could please help I would appreciate it!

Mathematics
1 answer:
serg [7]2 years ago
8 0
B is the correct answer. The actual prices for Awesome Autos are higher than Cool Cars, but they started the graph at a higher price (not zero) so that their bars would appear lower.
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Evaluate F(x)=2x^2+5x-16 for x=4
Ratling [72]

Answer:

36

Step-by-step explanation:

F(x)=2x^2+5x-16 for x=4

2(4)^2+5(4)-16  \\ 2 \times 16 + 20 - 16 \\ 32 + 4 = 36

5 0
3 years ago
A is C's son. C and A are sisters. Z is Q's mother. P is son of Z. Then
Serggg [28]
C) q is a grandfather
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3 years ago
Suppose you are conducting a survey about the amount grocery store baggers are tipped for helping customers to their cars .for a
ELEN [110]

Using the Empirical Rule and the Central Limit Theorem, we have that:

  • About 68% of the sample mean fall with in the intervals $1.64 and $1.82.
  • About 99.7% of the sample mean fall with in the intervals $1.46 and $2.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

<h3>What does the Central Limit Theorem state?</h3>

By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

In this problem, the standard deviation of the distribution of sample means is:

s = \frac{0.657}{\sqrt{50}} = 0.09

68% of the means are within 1 standard deviation of the mean, hence the bounds are:

  • 1.73 - 0.09 = $1.64.
  • 1.73 + 0.09 = $1.82.

99.7% of the means are within 3 standard deviations of the mean, hence the bounds are:

  • 1.73 - 3 x 0.09 = $1.46.
  • 1.73 + 3 x 0.09 = $2.

More can be learned about the Empirical Rule at brainly.com/question/24537145

#SPJ1

5 0
2 years ago
Please help!!!! I only need to do A not B!!! 8 points!!!!
Nadya [2.5K]
2/5+-1/3 please excuse my sloppy writing

8 0
2 years ago
8x + 7 equals -9 solve for x
Montano1993 [528]
The answer to this equation is
x= (1/4)
8 0
3 years ago
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