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Naddika [18.5K]
3 years ago
8

Students were asked how many hours they read in a week. Is this a good example of a statistical question? Why or why not?

Mathematics
2 answers:
sp2606 [1]3 years ago
8 0

Answer:

i think the answer is C.

Step-by-step explanation:

there's a variety of answers. one student could say 5 hours and another could say 1 hour. there isnt an exact answer.

timama [110]3 years ago
5 0

Answer:

A

Step-by-step explanation:

when asked how many hours you’ve read all week, there are going to be many numbers that you get from different people.

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When you send out a resume, the probability of being called for an interview is 0. 40. what is the probability that the first in
Kipish [7]

The probability that the first interview occurs on the fifth resume that you sent is 0.2592.

According to the given question.

The probability of being called for an interview, p = 0.40.

So, the probability of not being called for an interview, q = 1 - 0.40 = 0.60

As we know that binomial distribution summarizes the number of trials, or observations when each trial has the same probability of attaining one particular value. The binomial distribution determines the probability of observing a specified number of successful outcomes in a specified number of trials.

Therefore, the probability that the first interview occurs on the fifth resume that you send out

= ^{5} C_{1} (0.40)^{1} (0.60)^{4}

= 5(0.40)(0.1296)

= 0.2592

Hence, the probability that the first interview occurs on the fifth resume that you sent is 0.2592.

Find out more information about probability here:

brainly.com/question/14210034

#SPJ4

3 0
2 years ago
Richard and Teo have a combined age of 37. Richard is 13 years older than twice Teo's age. How old are Richard and Teo?
marysya [2.9K]

Answer:

Teo is 8 years old and Richard is 29 years old

Step-by-step explanation:

Let us solve the question

Assume that Teo is x years old

∵ Teo is x years old

∵ Richard is 13 years older than twice Teo's age

→ It means multiply x by 2, then add 13 to get the age of Richard

∴ Richard's age = 2x + 13

∵ Richard and Teo have a combined age of 37 years

→ Add their ages and equate the sum by 37

∴ x + 2x + 13 = 37

→ Add the like terms

∵ (x + 2x) + 13 = 37

∴ 3x + 13 = 37

→ Subtract 13 from both sides

∵ 3x + 13 - 13 = 37 - 13

∴ 3x = 24

→ Divide both sides by 3 to find x

∴ x = 8

∵ x represents Teo's age

∴ Teo is 8 years old

→ Substitute the value of x in the expression of Richard age to find his age

∵ Richard age = 2(8) + 13 = 16 + 13 = 29

∴ Richard is 29 years old

∴ Teo is 8 years old and Richard is 29 years old

8 0
3 years ago
Please help meeeee!!
Xelga [282]

Answer:

-27

Step-by-step explanation:

order of operations 2÷2 = 1 +53 =54

3x1 = 3 -5 = -2

54÷-2 = -27

5 0
3 years ago
What is one value that makes the fraction (x^2 + 11x +30)/(4x + 44x^2 + 120x) Undefined?
Vlada [557]

Answer:

-31/11

Step-by-step explanation:

To get the value they makes the fraction undefined, we shall need to equate the denominator to zero

Hence;

4x + 44x^2 + 120x

Divide through be x

4 + 44x + 120 = 0

44x = -124

x = -124/44

x = -62/22

x = -31/11

4 0
3 years ago
How is this a nonlinear?​
OlgaM077 [116]
It’s not a straight line it’s a v !!
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4 years ago
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