##### Page 1
Attempt 1
Written: Mar 26, 2022 9:46 PM - Mar 26, 2022 10:23 PM
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Approximately 8% of all people have blue eyes. A random
sample of 20 people is selected, ﬁnd μ. Round to one decimal
___1.6
___
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It is known that 50% of adult workers have a high school
diploma. If a random sample of 8 adult workers is selected,
what is the probability that less than 6 of them have a high
school diploma? (That is, what is P(X < 6) (round to 4 decimal
___.8555
___

##### Page 2
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An unprepared student takes a 10 question TRUE/FALSE quiz
and ended up guessing on all the problems. Find σ. Round
___1.5811
___
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Suppose a random variable, x, arises from a binomial
experiment. If n = 25, and p = 0.85, ﬁnd the P(X ≥ 15) using
___0.9995
___

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If random variable X has a binomial distribution with n =7 and
P(success) = p =0.6, ﬁnd the probability that X is at least 6.
(That is, ﬁnd P(X ≥ 6) (round to 4 decimal places) Answer:
___0.1586
___
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The table of data obtained from WWW.BASEBALL-ALMANAC.COM shows hit
information for four well known baseball players. Suppose that one hit from the table is
randomly selected.

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NAME
Single
Double
Triple
Home Run
TOTAL HITS
Babe Ruth
1,517
506
136
714
2,873
Jackie Robinson
1,054
273
54
137
1,518
Ty Cobb
3,603
174
295
114
4,189
Hank Aaron
2,294
624
98
755
3,771
TOTALS
8,468
1,577
583
1,720
12,351
Find
P
(hit was made by Babe Ruth|The hit was a Triple).
0.233
0.009
0.066
.767
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You are going to a beneﬁt dinner, and need to decide before
the dinner what you want for salad, main dish, and dessert.
You have 2 diﬀerent salads to choose from, 3 main dishes,
and 5 desserts. How many diﬀerent meals are available?

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30
25
15
10
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A raﬄe sells 1000 tickets for \$35 each to win a new car. What
is the probability of winning the car? Round to three decimal
___0.001
___

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In a box there are 4 red cards and 7 blue cards. The cards are
well-shuﬄed. If you pick a card without looking at the box,
what is the probability that you pick a blue card? (round to 3