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WITCHER [35]
4 years ago
8

Help me I WILL GAVE BRAINLYEST

Mathematics
1 answer:
AveGali [126]4 years ago
8 0
What is your question? I will try my best to assist
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98 Points And Brainliest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!A poll asked 15 men in two age groups, 30 and younger and older than 3
bekas [8.4K]
The first thing you need to do is classify all the men into 4 groups which are:
1) 30 and younger with facial hair: 4
2) older than 3 with facial hair: 5
3) 30 and younger with facial hair: 3
4) older than 30 without facial hair: 4


Question (a): Make a two-way table of the data. Of the men surveyed, how many were 30 and younger? How many did not have facial hair.

                                   with facial hair          without facial hair          total
30 & younger                         4                                     3                          7
older than 30                         5                                     3                          8
total                                        9                                    6                          15
From the data you can see that:
7 men were 30 and younger and 6 men did not have facial hair.


Question (b): Create a two-way relative frequency table that displays the relative frequency of the men 30 and younger and of the men older than 30 who had or did not have facial hair. Express your answer as decimals written to three decimal places.

                               with facial hair          without facial hair          total
30 and younger             4/15                           3/15 = 1/5                 7/15
older than 30             5/15 = 1/3                      3/15 = 1/5                 8/15
total                            9/15 = 3/5                      6/15 = 2/5                   1


Question c: What percent of men older than 30 had facial hair?
The percent is equal to the relative frequency times 100% so in this case it is equal to (1/3) * 100% = 33.33%

Hope this helps!!!   :)
3 0
3 years ago
Given a feedlot of about 1200 cows, if an individual cow produces about 50 liters of manure a day, how many liters of manure wou
Amiraneli [1.4K]
Hello!

First you have to find how many liters of manure is made a day

1 cow makes 50 liters a day

We can do 50 * 1200 to find how many liters the cows make a day

50 * 1200 = 60000

Then you multiply this my how many days are in a month

60000 * 30 = 1800000

The answer is 1,800,000 liters of manure a month

Hope this helps!
3 0
4 years ago
What is the reciprocal of 64?
tangare [24]
1/64
0.015625 in decimal form
a reciprocal is the 1/whatever the number is
5 0
3 years ago
Read 2 more answers
Use_______to isolate the variable
vodomira [7]

Transposition

Transposition is a method to isolate the variable to one side of the equation and everything else to the other side so that you can solve the equation.

Algebraic equations can be solved using the Law of equations. The Law of equations states that whatever you do on one side of an equation, you must do on the other side as well.

7 0
3 years ago
Karonlina flips a coin 60 times. how many times would you expect it's to land heads up?
Novosadov [1.4K]

Answer:

30 times

Step-by-step explanation:

There's a 50% chance that they will get heads.

60 divided by 2 is 30

50% of 60 is 30

7 0
3 years ago
Read 2 more answers
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