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anyanavicka [17]
3 years ago
9

The conditional relative frequency table was generated using data that compares the favorite subjects of male and female student

s at a high school. The survey was given to 120 male students and 180 female students.How many students in the survey said that math was their favorite subject?​
Mathematics
2 answers:
Rudik [331]3 years ago
3 0

Answer:

I would say 60 students said that math was their favorite subject...

Step-by-step explanation:

hammer [34]3 years ago
3 0

Answer:

Im pretty sure its D- 123

Step-by-step explanation:

Edg 2020

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Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system, and orders an ins
AVprozaik [17]

Answer: 17.89

Step-by-step explanation:

In binomial distribution, the standard deviation is given by :-

\sigma=\sqrt{np(1-p)}

As per given , we have

The number of vouchers in the sample with errors is denoted by x.

p= 0.20  , n = 2000

Then , \sigma=\sqrt{2000\times(0.2)(1-0.2)}

\sigma=\sqrt{320}=17.88854382\approx17.89

Hence, the standard deviation of x is 17.89.

6 0
3 years ago
Increase 250ml by 85%
vampirchik [111]
The easiest way to do a problem like this is to think about the fact that you have 100% and you want to add another 85%.
This is 185% of the quantity that you have.
Multiply 250 by 185% or 1.85.
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7 0
3 years ago
What is the answer for this question 7(x+4)-7=48-2x
Alex777 [14]

Answer:

x = 3

Step-by-step explanation:

7(x + 4) - 7 = 48 - 2x ← distribute parenthesis and simplify left side

7x + 28 - 7 = 48 - 2x

7x + 21 = 48 - 2x ( add 2x to both sides )

9x + 21 = 48 ( subtract 21 from both sides )

9x = 27 ( divide both sides by 9 )

x = 3

8 0
2 years ago
Read 2 more answers
Find the surface area of the following cylinder. Round your answers to the nearest tenth.
Katarina [22]

Answer: 628

Step-by-step explanation:

2πr^2+2πrh

2(3.14)(5)^2+2(3.14)(5)(15)

2(3.14)(25)+2(3.14)(75)

2(78.5)+2(235.5)

157+471

628

5 0
2 years ago
25⋅5⋅5⋅4<br><br> A.500<br><br> B.2000<br><br> C.2500<br><br> D.5000
kenny6666 [7]

Answer:

c

Step-by-step explanation:

25 x 5 = 125

125 x 5 = 625

625 x 4 = 2500

So, 25 x 5 x 5 x 4 is 2,500

Vote Brainliest, Thx :)

7 0
3 years ago
Read 2 more answers
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