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Day 14 Ch 13 Quiz Probability of Independent Events

Last updated over 4 years ago
13 questions
1. This is an individual quiz. I am assessing your understanding level of the material we have covered.
2. The quiz should be done with no outside assistance other than the use of your notes, class slide decks or the posted Ch. 13 slide decks. You should not request or accept the assistance of a friend, family member or neighbor. Submitting answers and/or work done by or with the assistance of someone else is grounds for an Academic Integrity write-up.
0

After reading the text above, select your response.

To be clear, selecting "No" does not free you of the consequences of your actions. Rather, it means I will disable your quiz until we can talk one-on-one so that you better understand before proceeding.

You have a connection to an infinite supply of Skittles.
The company that manufactures these delicious sugary treats claims that:
25% are purple,
25% are yellow,
15% are red,
15% are green,
the remaining are orange.
4

Find the probability that you pick one orange skittle.
P(orange)=

4

What is the complement of picking an orange Skittle?
Select the best answer choice:

4

Find the probability that you will pick a red or a green skittle.
P(red or green)=

4

What needs to be true about choosing a Skittle in order to do the calculations for #4?

4

Find the probability that you will not pick a pink skittle.
P(pink)=

4

When picking 2 Skittles, find the probability that you will pick two purples.
P(Purple, Purple)=

Enter all decimal places for this one.

4

What needs to be true about choosing 2 Skittles in order to do the calculations for #7?

4

When picking 3 Skittles, find the probability that you will pick no yellow.
P(No Yellow, No Yellow, No Yellow)=

Round to three places past the decimal point before turning into a percent.

4

When picking 3 Skittles, find the probability that you will pick all orange Skittles.
P(Orange, Orange, Orange)=

Round to three places past the decimal point before turning into a percent.

4

What is the probability that you will not get a purple Skittle until the fourth one selected?
P(not purple, not purple, not purple, purple)=

Round to three places past the decimal point before turning into a percent.

4

When picking 4 Skittles, find the probability that you will pick none that are red.
P(not red, not red, not red, not red)=

Round to three places past the decimal point before turning into a percent.

4

When picking 4 Skittles, find the probability that you will pick at least one that is red.
Remember: 'at least one' means you need to use the complement of 'none' in your calculations.
You already calculated 'none red' in #12.

P(at least one red out of 4 Skittles)= 1 - P(none red out of 4 Skittles)
Round to three places past the decimal point before turning into a percent.