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3241004551 [841]
3 years ago
12

Martina read that approximately 10% of all people are left-handed. She wants to design a simulation to approximate the probabili

ty of selecting exactly 2 right-handed people when 3 people are randomly selected.
Martina spins the arrow on the spinner 3 times and records the resulting letters. Martina performs the simulation 30 times. The results of the simulation are shown.

RRR RLR RRR RRL RRR RRR
RRR RRR RRR LRR RRR RRR
RRR RRR RRR RRR RLR LRL
RRR RRL RRR RRR LLR RRR
RRR RRR LRR RRR RRR RRR
Based on the results of this simulation, when 3 people are randomly selected, exactly 2 right-handed people are selected approximately _______ of the time. Question 3 options:

10%


15%


20%


25%
Mathematics
2 answers:
marta [7]3 years ago
8 0

Answer:

20

Step-by-step explanation:

Ilia_Sergeevich [38]3 years ago
7 0

Answer:

Um whats the RRRRRRRR RRR RRR RRRR RRR RRR RRRR RLR LRL RRR RRR

Step-by-step explanation:

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Translate this sentence into an equation.
motikmotik

Answer:

g = 61.

Step-by-step explanation:

g + 9 = 70             Subtract 9 from both sides of the equation:

g + 9 - 9 = 70 - 9

g = 61.

4 0
3 years ago
Find an equation of line with given slope and y-intercept. Slope= -6 y-intercept= (0,-10) The equation of the line is: ?
GREYUIT [131]

Step-by-step explanation:

so, we find the slope-intercept form :

y = ax + b

"a" is the slope (it is always the factor of x), "b" is the y-intercept (the y-value when x = 0).

we have the slope : -6

and the given point (0, -10) gives us already the y-value when x = 0 : -10

therefore, the equation is

y = -6x - 10

4 0
1 year ago
What is the measure of angle B in degrees?<br> A) 30<br> B) 45<br> C) 60<br> D) 90
Triss [41]

Answer:

its a 30 my friend and if its not a then choose b hope this helped

Step-by-step explanation:

5 0
2 years ago
Circle O has a circumference of approximately 28.3 cm. Circle O with radius r is shown. What is the approximate length of the ra
Marrrta [24]

Answer:

4.5cm

Step-by-step explanation:

Circumference = 2\pir

28.3=2\pir

28.3/2\pi=r

4.456

7 0
3 years ago
What is the area of triangle abc below? If necessary, round your answer to two decimal places..... PLEASE PLEASE HELP ME
antiseptic1488 [7]
For a triangle:
A=\frac{bh}{2}
A=\frac{b \times 7.9}{2}
b=AD+DC
Use Pythagorean theorem twice:
AD^{2}+9.4^{2}=7.9^{2}
AD=5.09

DC^{2}+23.2^{2}=7.9^{2}
DC=21.81

Thus:
b=26.9

And:
Area=\frac{26.9 \times 7.9}{2}=106.26

6 0
3 years ago
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