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klemol [59]
3 years ago
6

A group of students were surveyed to find out if they like bike riding and/or roller skating as a hobby. The results of the surv

ey are shown below: 80 students like bike riding 20 students like bike riding but do not like skating 90 students like skating 40 students do not like bike riding Make a two-way table to represent the data and use the table to answer the following questions. Part A: What percentage of the total students surveyed like both bike riding and skating? Show your work. (5 points) Part B: What is the probability that a student who does not like bike riding also does not like skating? Explain your answer. (5 points)
Mathematics
1 answer:
777dan777 [17]3 years ago
8 0
(Part A:) approximately 73.91% of the students 
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=. What does the expression (x+3)(9) represent? Why?
tresset_1 [31]
Because when you multiply the 9 by x you get 9x and when you multiply the 9 by 3 you get 27. So then your final answer would be 9x + 27.
I hope this helps!! :)

6 0
1 year ago
Classify as a constant, linear, quadratic, cubic or quartic and give the degree and leading coefficient of each of the following
Tpy6a [65]

Answer:

It's B I just did it

Step-by-step explanation:

8 0
3 years ago
A teacher records the number of students present in her 1st period class each day. This count is a ___________ random variable.
blagie [28]

This count is a discrete random variable (option A).

<h3>What is a discrete random variable?</h3>

A discrete random variable is a variable that contains integers that can only be a limited number of possible values.  A discrete random variable is can contain only a finite set of numbers .

An example of discrete random variable is the number of students in the first period class. It is impossible for the number of students in the class to go on indefinitely.

Discrete random variable has the following properties:

  • It is finite
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  • It is countable
  • It contains non-negative integers.

A continous random variable is a variable that has an infinite number.

To learn more about discrete data, please check: brainly.com/question/22916429

#SPJ1

7 0
1 year ago
What is the box-and-whiskers plot used to show?
Ad libitum [116K]

Answer:

c. median

Step-by-step:

it shows you the numbers you got the most with the box and the whiskers are the outliers.

3 0
2 years ago
Read 2 more answers
Pls help extra points and mark brainlist
ch4aika [34]

Answer:

1

Step-by-step explanation:

So because 3 to the power of 3 is in brackets we do that first.

3 x 3 x 3 = 27

Now , 27 to the power of 0 is 1 because anything to the power of 0 is 1.I hope this helped

4 0
2 years ago
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