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abruzzese [7]
3 years ago
11

Pls help me asap !!!

Mathematics
1 answer:
Shtirlitz [24]3 years ago
3 0

Answer:

11

Step-by-step explanation:

Hopefully you can see that this is an isosceles triangle and remembering the inequality theorem of a triangle (4,4,11 triangle cannot exist).  Iso triangle has two side the same length - as well as two angles the same.

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Probability and Statistics
saw5 [17]

A random variable can be either discrete or continuous. It is discrete it can assume only a finite number of values, or a countable infinity of values at most.

It is continuous if it can assume values in an interval, or in general, an uncountable infinity of values.

That being said, we have:

Option A is a discrete random variable, because the number of heads in 5 throws can be 0, 1, 2, 3, 4 or 5. So, we have finitely many possible values.

Option B is a discrete random variable, because the number you roll on a die is either1, 2, 3, 4, 5 or 6. So, we have finitely many possible values.

Option C is a discrete random variable, because if there are n students in a class, the number of boys is an integer between 0 and n. So, we have finitely many possible values.

Option D is finally a continuous random variable, because the height of a 10-year-old can be any number (in a suitable range of course).

4 0
4 years ago
Which combination of numbers in this group has the highest value? 4 + (-4), 4*|-2|, -4 * |2|, | -4 | * (-2), 4 + 2
vichka [17]
I -4 I * (-2)
is your answer 
7 0
3 years ago
Read 2 more answers
Community college students survey students at their college and ask, "Have you met with a counselor to develop an educational pl
UkoKoshka [18]

Answer:

The 90% CI for p is (0.53, 0.83)

Step-by-step explanation:

We have to develop a 90% confidence interval for the proportion of all students at the college that have met with a counselor to develop an educational plan.

We have a sample of size 25, where the sample proportion is:

p=X/n=17/25=0.68

The critical value of z for a 90% CI is z=1.645.

The margin of error is then:

E=z\cdot\sqrt{\dfrac{p(1-p)}{n}}=1.645*\sqrt{\dfrac{0.68*0.32}{25}}=1.645*\sqrt{0.008704}=1.645*0.093\\\\\\E=0.15

Then, the lower and upper bound of the confidence interval are:

LL=\hat p-E=0.68-0.15=0.53\\\\UL=\hat p+E=0.68+0.15=0.83

The 90% CI for p is (0.53, 0.83)

8 0
3 years ago
(2x+12x+1) (will give brainliest)
stepladder [879]

Answer:

14x+1

Step-by-step explanation:

We add the variables together so it would be 14x. We can't add the 1 so 14x+1.

By the way, can you follow me on Brainly?

Thanks!

6 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
Trava [24]

Answer:

Hope this helps :)

Step-by-step explanation:

(a) How would you characterize the relationship between the hours spent on homework and the test scores? Explain

 For this case what we see is that we have a scatter diagram, which we can model using a linear trend defining the following variables:

 x: number of hours studied.

 y: test scores.

 The linear relationship would be of the form:

 y = mx + b

 (b) Paul uses the function y = 8x + 40 to model the situation. What score does the model predict for 3 h of homework?

 y = 8x + 40

 For three hours of study we have that the note would be approximately:

 y = 8 * (3) + 40

 y = 64

 (c) What does the number 40 in Part (b) mean in the context of the situation?

 The number 40 means that if you do not devote any study time, then you expect the test score to be 40.

3 0
3 years ago
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