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3 years ago

Anyone I need this please

Mathematics

1 answer:

fomenos3 years ago

5 0

Base because no matter how you flip it it’s on it’s bottom

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Of the 74 people who answered "yes" to a question, 15 were male. Of the 71 people that answered "no" to the question, 6 were mal

san4es73 [151]

Answer:

55.2%

Step-by-step explanation:

We have that 74 people answered yes and 71 answered no. So the total number of people who answered the question was 74 + 71 = 145.

Now, of those 145, 74 answering yes, then the probability of saying yes is:

P (Y) = 74/145

We know that 21 (15 + 6) are men, therefore the probability of being a man is:

P (M) = 21/145

Finally, we also know how many people answering that yes, they are men, they are 15, therefore the probability is:

P (Y and M) = 15/145

Finally, we use the "sieve" formula, for the probability that he is a man or that he answered yes.

P (Y or M) = P (Y) + P (M) - P (Y and M)

Replacing we have:

P (Y or M) = 74/145 + 21/145 - 15/145

P (Y or M) = 80/145

P (Y or M) = 0.552

In other words, the probability is 55.2%

7 0

3 years ago

An experiment consists of three steps. There are four possible results on the first step, three possible results on the second s

jeyben [28]

Answer:

24 steps

Step-by-step explanation:

Given

$Step\ 1 = 4$

$Step\ 2 = 3$

$Step\ 3 = 2$

Required

The total number of experimental outcomes (n)

This calculated by multiplying the results in each step.

$n = Step\ 1 * Step\ 2 * Step\ 3$

$n = 4*3*2$

$n = 24$

6 0

3 years ago

Solve the system using elimination.<br> 7x - 5y = 26<br> 2x+4y= 2

ella [17]

Answer:

x=3, y=-1. (3, -1).

Step-by-step explanation:

7x-5y=26

2x+4y=2

--------------

simplify 2x+4y=2 into x+2y=1

-------------

7x-5y=26

x+2y=1

-----------------

x=1-2y

7(1-2y)-5y=26

7-14y-5y=26

7-19y=26

19y=7-26

19y=-19

y=-19/19

y=-1

x+2(-1)=1

x-2=1

x=1+2

x=3

3 0

4 years ago

Read 2 more answers

A bottle contains 34 gallon of fruit punch. If 6 people share the fruit punch equally, how much fruit punch does each person get

Feliz [49]

Answer:

17/3 or in decimal form, 5.67 gallons for each person.

Step-by-step explanation:

If 34 gallons of fruit punch will be shared equally with 6 people, just divide 34 by 6.

34/6 = 17/3 or in decimal form, 5.67 gallons for each person.

5 0

3 years ago

Enter the median of the following dataset 7,15,12,13,8,11

Leni [432]

The median is the value that is in the middle of a dataset.

The first step to find the median is to order the values from least to greatest:

7, 8, 11, 12, 13, 15.

Since the number of data is even, the median will be the average of the pair of values that is in the middle, in this case, 11 and 12:

$\frac{11+12}{2}=11.5$

The median of the data set is 11.5.

8 0

1 year ago