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Vinil7 [7]
3 years ago
15

Can i get some help on this im confused!!!

Mathematics
1 answer:
marissa [1.9K]3 years ago
4 0

Step-by-step explanation:

a) ST = 7m

b) SU = 8m

c) angle R = 46deg

d) angle Q = 75deg

e) angle S = 59deg

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sume that the change in daily closing prices for stocks on the New York Stock Exchange is a random variable that is normally dis
Darina [25.2K]

Answer:

0.1131 = 11.31% probability that a randomly selected stock will close up $0.75 or more.

Step-by-step explanation:

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.

Normally distributed with a mean of $0.35 and a standard deviation of $0.33.

This means that \mu = 0.35, \sigma = 0.33.

What is the probability that a randomly selected stock will close up $0.75 or more?

This is 1 subtracted by the p-value of Z when X = 0.75. So

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

Z = \frac{0.75 - 0.35}{0.33}

Z = 1.21

Z = 1.21 has a p-value of 0.8869.

1 - 0.8869 = 0.1131

0.1131 = 11.31% probability that a randomly selected stock will close up $0.75 or more.

4 0
3 years ago
136<5(-2-4b)-6
FinnZ [79.3K]

Answer:

x<

−97

45

Answer:

b<

−38

5

n>

−22

3

p>

16

3

n>7

5 0
2 years ago
Which phrases describe the relationship between heart rate and daily intake of caffeine? Check all that apply.
slavikrds [6]

I presume that the graph below is the given for this specific problem since I've already taken this question, so please see the attached image.

So, the phrases that describe the relationship between heart rate and daily intake of caffeine according to the graph are:

1. increasing heart rate
2. positive correlation

7 0
4 years ago
What is the 52nd term of the sequence below?
VladimirAG [237]
Because the difference between any term and the previous term is a constant, this is an arithmetic sequence because of that constant which is referred to as the common difference, d.  Which in this case is -35--38=-32--35=3

Any arithmetic sequence can be expressed as:

a(n)=a+d(n-1), a=initial term, d=common difference, n=term number.

In this case a=-38 and d=3 so

a(n)=-38+3(n-1)  which we can simplify to

a(n)=-38+3n-3

a(n)=3n-41, so the 52nd term is:

a(52)=3(52)-41

a(52)=156-41

a(52)=115
3 0
3 years ago
9. Choose the correct answer.
denpristay [2]

Answer:

what the h3ll type of question is this ?-

Step-by-step explanation:

your never gonna get one because you dont have any so the probability is 0%.

6 0
3 years ago
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