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Zina [86]
3 years ago
8

Ms. Cassidy plotted the point (2, 3) on Miguel’s graph of

Mathematics
2 answers:
Anna11 [10]3 years ago
7 0

Answer:

The correct answers on E2020 are C:y > 2x – 4 E:y < 2x + 4 and F:y < 4x – 4

hope this helps you!

(p.s:Please mark me as brainlyest)

Step-by-step explanation:

I just took the test on Edu

NNADVOKAT [17]3 years ago
4 0
3rd 4th and 6th 
all you have to do is substitute the ordered pair in variables place 
dm me if you have any questions
-sheeda1st <span />
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Assume that blood pressure readings are normally distributed with a mean of 115 and a standard deviation of 8. If 100 people are
Sergeu [11.5K]

Answer:

D. 0.9938.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

The Z-score 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. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 115 and a standard deviation of 8.

This means that \mu = 115, \sigma = 8

100 people are randomly selected

This means that n = 100, s = \frac{8}{\sqrt{100}} = 0.8

Find the probability that their mean blood pressure will be less than 117.

This is the p-value of Z when X = 117, so:

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

By the Central Limit Theorem

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

Z = \frac{117 - 115}{0.8}

Z = 2.5

Z = 2.5 has a p-value of 0.9938, and thus, the correct answer is given by option D.

8 0
3 years ago
An angle inscribed in the same os equal arc are equal?
Vadim26 [7]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
A 1,900 square foot house sold for 165,000. what is the price per square foot?
enyata [817]

Answer:

$86.84

Step-by-step explanation:

165,000 divided by 1,900 is 86.8421053 but since you are wanting the price/ per sq. ft. then it would most likely be $86.84 and not rounded.

6 0
3 years ago
Read 2 more answers
I need help with this math homework.. someone please help
tatuchka [14]
A rotation would also give you this transformation.
You could do a 90 degree counter-clockwise or a 270 degree clockwise
5 0
3 years ago
Write each equation in slope-intercept form. Identify the slope and y-intercept. Then graph the line described by the question.
Rasek [7]

Answer:

Step-by-step explanation:

Equation of the line is,

y = -x + 2

By comparing this equation with,

y = mx + b

Here, m = slope of the line

b = y-intercept

Therefore, slope of the line given in the graph = (-1)

y-intercept = 2

Now we will find the table for the points lying on the line,

x       -6          -4           0           4            6

y        8           6           2          -2           -4

Now plot these points on the graph and join them to get the line.

6 0
3 years ago
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