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PolarNik [594]
3 years ago
6

Chris has a bucket with paper clips. It has 9 green paper clips and 21 orange paper clips. Chris randomly draws a paper clip, re

cords the color, and returns the paper clip to the bucket. After doing 10 experiments, he found that he drew an orange paper clip 70% of the time. What kind of comparison can be made?
The percentage is likely to decrease with more trials. Or, the percentage is likely to remain the same with more lanes. Or the percentage will likely increase with more experiences.
Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

likely remain the same

Step-by-step explanation:

as their ratio from green to orange paper clips is 9:21 meaning it is very likely to draw a orange. If calculated 9/30 is 30 percent meaning there is a 30 percent chance of drawing green. We can conclude there is a 70 percent chance of drawing green mathematically

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In a class of 40 students, 5 like neither Nokia nor
Vikki [24]

Answer:

No student liked only Nokia

Step-by-step explanation:

The information can be illustrated as shown on the Venn diagram.

The number of students who liked only Nokia is x.

The sum of all regions in the Venn diagram should be 40.

We add all to get:

5 + 5 + 30 + x = 40

40 + x = 40

x = 40 - 40

x = 0

Therefore no one liked only Nokia

8 0
3 years ago
Ellie deposited $650 into her savings account. She then saved $150 per month. Which of the following equations shows a, the amou
9966 [12]

Answer:

650 + 150t = A

Step-by-step explanation:

6 0
3 years ago
How are conditional probability and independent events related?
artcher [175]

Answer:

1. P(A|B) - option 2

2. does not affect - option 2

3. P(A) - option 1

Step-by-step explanation:

By the definition, the notation P(A|B) reads the probability of event A given that event B has occured. So, for the first gap correct choice is 2 - P(A|B).

If events A and B are independent, then the probability of event B occuring does not affect the probability of event A occuring. So, for the second gap correct choice is 2 - does not affect.

Events A and B are independent, then

P(A\cap B)=P(A)\cdot P(B)

Use formula for the conditional probability:

P(A|B)=\dfrac{P(A\cap B)}{P(B)}

Since events A and B are independent, we get

P(A|B)=\dfrac{P(A)\cdot P(B)}{P(B)}=P(A)

So, for the third gap correct answer is 1 - P(A)

8 0
4 years ago
Question 18(Multiple Choice Worth 2 points)
AleksandrR [38]

Answer: 5.8 and 6.

hope this helps

4 0
3 years ago
Read 2 more answers
Simplify <br> 10(0.4x+0.2y)+21(0.6x-0.8y)<br> BRAINLIEST
kati45 [8]

Answer:

Step-by-step explanation:

Hahaha somebody deleted my answer whoops

5 0
3 years ago
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