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tatyana61 [14]
3 years ago
15

The maximum or minimum point of a parabola is called the __________.

Mathematics
1 answer:
skad [1K]3 years ago
5 0

Answer:

B. Vertex

Step-by-step explanation:

The <u>vertex</u> of a parabola is the highest or lowest point, also known as the maximum or minimum of a parabola.

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vladimir2022 [97]
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3 0
3 years ago
Consider the following hypothesis test:H0: 20Ha: &lt; 20A sample of 60 provided a sample mean of 19.6. The population standard d
elixir [45]

Answer:

a: z = -1.936

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d: z < -1.645

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Step-by-step explanation:

We are given:

H0:  µ = 20

HA:  µ < 20

n = 60, sample mean: 19.6, σ = 1.6

Since the alternate hypothesis has a < sign in it, it is a left tailed test.  The < or > sign in the alternate hypothesis points towards the rejection region.

For a:  We need to calculate the test statistic for our situation.  This is done with a z-score formula for samples.  

For b:  we need to use the z-score table to look up the p-value for the score we calculate in part a.  The p-value is 0.0265.  This means that there is only about a 2.65% chance that the sample values were a result of random chance.

For d:  Since the significance level is 0.05, and this is a one tailed test, we have a critical value of z < - 1.645.  This means that if the z-score we calculate in part a is less than -1.645, we will reject the null hypothesis

See attached photo for all the calculations!

4 0
3 years ago
What is the Median for the Box &amp; Whisker Plot below?<br><br> HELP PLEASEE
ElenaW [278]

Answer:

20

Step-by-step explanation:

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2 years ago
Example: Find the circumference of the circle with a radius of 5 inches. Solution: Step 1: Write down the formula: IC = 2tr Step
GREYUIT [131]

Answer:

1. The circumference of any circle equals two times its radius multiplied by pi (π, approximately 3.14). We can also say it equals pi times its diameter.

Thank you

7 0
2 years ago
Write an equation of a line with the given slope and y-intercept. m = –2, b = 4
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Y= -2x+4 m represents the x value and b the y intercept
4 0
3 years ago
Read 2 more answers
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