2 years ago

1

Mathematics

1 answer:

Korvikt [17]2 years ago

4 0

Answer:

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At a track meet, 50 people ran the 100-meter dash. 2 people finished in 11 seconds, 5 people finished in 12 seconds, 8 people fi

adoni [48]

You have to do a histogram here:

<span>11 sec: 2 people: probability is 2/50 = 1/25 = 0.04
12 sec: 5 people: probability is 5/50 = 1/10 = 0.1
13 sec: 8 people: probability is 8/50 = 4/25 = 0.16
</span>14 sec: 10 people: probability is 10/50 = 1/5 = 0.2
15 sec: 21 people: probability is 21/50 = 2.38
16 sec: 2 people: probability is 2/50 = 1/25 = 0.04
17 sec: 2 people: probability is 2/50 = 1/25 = 0.04

6 0

2 years ago

What is 30% of 20????

Bezzdna [24]

Answer:

Step-by-step explanation:

30% of 20 = 30% * 20

= $\frac{30}{100}$ * 20