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juin [17]
3 years ago
9

In a small private school three students are randomly selected from 18 available students what is the probability that

Mathematics
1 answer:
Komok [63]3 years ago
3 0

1/ 816  

Step-by-step explanation:

Step 1 :

Given

Total number of students in the school = 18

Number of students randomly selected = 3

Step 2 :

Number of ways in which 3 students can be selected out of 18 students is

C(18,3)  = 18! /(3!(*18-3)!) =  18*17*16/3*2*1 = 816

Number of ways in which 3 students are selected and they are the youngest  = 1

Hence the probability of selecting 3 youngest students from the available students is  1/ C(18,3) = 1/ 816  

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kari74 [83]

Answer:

14 to 25

Step-by-step explanation:

there are 14 women and 24 people altogether

5 0
3 years ago
find the equation of a line through the coordinate (3,6) and parallel to the line represented by y=5/3 x-1
maw [93]

Slope-intercept form:

y = mx + b

"m" is the slope, "b" is the y-intercept (the y value when x = 0 or (0,y))


For lines to be parallel, their slopes have to be the SAME.


The given line's slope is 5/3, so the parallel line's slope is also 5/3

y = 5/3x + b

To find "b", plug in the point (3,6) into the equation

y = 5/3x + b

6 = 5/3(3) + b

6 = 5 + b

1 = b


y = 5/3x + 1

5 0
3 years ago
if it takes ashley 3 seconds to run from the batter's box to first base at an average speed (velocity) of 6.5 meters per second,
Jlenok [28]
19.5 meters you multiply 3 seconds by 6.5, there are 6.5 meters per second, thus implying each second is 6.5 meters. Equaling 19.5
5 0
3 years ago
PLEASE HELP
pickupchik [31]
I believe it is B. y = 2x + 2
6 0
3 years ago
(6) Give the equation of the line passing through the points (1,5) and (-2, 6) in
Bas_tet [7]

Answer:

⅓x + y = 5⅓

or

⅓x + y = 5.3333333

or

⅓x + y = 16/3

Step-by-step explanation:

Solve for slope using rise/run

Y2 - Y1 / X2 - X1

(6) - (5) / (-2) - (1)

1 / -3

Slope: -⅓

y = -⅓x + b

solve for b using one of the points

I'll be using (1,5)

Substitute the point into the equation

5 = -⅓(1) + b

5 = -⅓ + b (add ⅓ to both sides)

+⅓ +⅓

5⅓ = b

5⅓ can also be written as 16/3 or 5.333333

The equation is now:

y = -⅓x + 5⅓

Convert to standard form by adding ⅓x to both sides

y = -⅓x + 5⅓

+⅓x +⅓x

Solution: ⅓x + y = 5⅓

8 0
3 years ago
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