15.If one letter is randomly selected from the word UNIVERSITY, what is the prob
ID: 3257220 • Letter: 1
Question
15.If one letter is randomly selected from the word UNIVERSITY, what is the probability that it is an N or an I. Write your answer as a decimal rounded to the nearest thousandth, if necessary.
16.The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
Silver
15
12
If one student is randomly selected, find the probability of selecting a female student or a student that prefers silver cars? That is, find P(female or silver). Write your answer as a decimal rounded to the nearest thousandth, if necessary.
17.If one letter is randomly selected from the word STATISTICS, what is the probability that it is not an S? Write your answer as a decimal rounded to the nearest thousandth as necessary.
18.The distribution of airline baggage weight is normally distributed with a mean of 28 pounds and a standard deviation of 3 pounds. Therefore, 84% of bags weigh below how many pounds?_______ pounds
19.The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
Silver
15
12
If one student is randomly selected, find the probability of selecting a student that is male and prefers black cars? That is, find P(male and black). Write your answer as a decimal rounded to the nearest thousandth, if necessary.
20.A six sided die is rolled once. Let T be the event of rolling a multiple of 3. Find P(T). Write your answer as a decimal rounded to the nearest thousandth.
21.
Question 21 options:
The yellow distribution.
The blue distribution.
The red distribution.
The green distribution.
All of the normal curves have the same standard deviation
22.
Select the value that cannot be a probability.
Question 22 options:
150%
0.9994
All of the values are possible values for probability.
3/4
100%
23.
The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
Silver
15
12
If one student is randomly selected, find the probability of selecting a student that prefers silver cars, that is, P(silver)? Write your answer as a decimal rounded to the nearest thousandth, if necessary
Male
Female
Black
21
18
Silver
15
12
1.0 0.8 S 04. 0.2 0.0 H :0, 02-0.2, H-0 2 1.0 H 0, 02 5.0 H--2, a -0.5Explanation / Answer
Answer:
15.If one letter is randomly selected from the word UNIVERSITY, what is the probability that it is an N or an I. Write your answer as a decimal rounded to the nearest thousandth, if necessary.
16.The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
39
Silver
15
12
27
36
30
66
If one student is randomly selected, find the probability of selecting a female student or a student that prefers silver cars? That is, find P(female or silver). Write your answer as a decimal rounded to the nearest thousandth, if necessary.
P=45/66 =0.682
17.If one letter is randomly selected from the word STATISTICS, what is the probability that it is not an S? Write your answer as a decimal rounded to the nearest thousandth as necessary.
P=7/10 =0.700
18.The distribution of airline baggage weight is normally distributed with a mean of 28 pounds and a standard deviation of 3 pounds. Therefore, 84% of bags weigh below how many pounds?_______ pounds
Z value for bottom 84% =0.994
X =28+0.994*3 =30.982
19.The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
Silver
15
12
If one student is randomly selected, find the probability of selecting a student that is male and prefers black cars? That is, find P(male and black). Write your answer as a decimal rounded to the nearest thousandth, if necessary.
P=21/66 =0.318
20.A six sided die is rolled once. Let T be the event of rolling a multiple of 3. Find P(T). Write your answer as a decimal rounded to the nearest thousandth.
Sample space:{1,2,3,4,5,6}
Multiple of 3 are T: {3,6}
P=2/6 =0.333
Question 21 options:
Answer: The yellow distribution.
22.
Select the value that cannot be a probability.
Question 22 options:
Answer: 150%
23.
The table below represents the results of a survey about car color preference for a group of students broken down according to gender.
Male
Female
Black
21
18
Silver
15
12
If one student is randomly selected, find the probability of selecting a student that prefers silver cars, that is, P(silver)? Write your answer as a decimal rounded to the nearest thousandth, if necessary
P=27/66 =0.409
Male
Female
Black
21
18
39
Silver
15
12
27
36
30
66
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