Question

Question 12 2 pts

Of the shirts produced by a company, 5% have loose threads, 9%
have crooked stitching, and 3.5% have loose threads and crooked
stitching. Find the probability that a randomly selected shirt has
loose threads or has crooked stitching.

Homework Help:

2VF (1): Probabilities using addition rule from values and
from percentages (Links to an external site.) (0:54)

2DG. Probabilities using addition rule (Links to an external
site.) (DOCX)

Group of answer choices

0.5%

14.0%

10.5%

17.5%

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Question 13 2 pts

Randomly select a customer that is happy with the store.
Randomly select a customer who infrequently shops at the store. Are
these events mutually exclusive?

Homework Help:

2DF. Independent versus dependent events; mutually exclusive
and non-mutually exclusive events, complements (Links to an
external site.) (DOCX)

Group of answer choices

Non-mutually exclusive events

Mutually exclusive events

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Question 14 2 pts

In a sample of 800 adults, 228 said that they liked sugar
cereals. Three adults are selected at random without replacement.
Find the probability that all three like sugar cereals.

Homework Help:

2VG: Probabilities of drawing several from many without
replacement, all or none outcomes (Links to an external site.)
(2:16)

2DH. Probabilities of drawing several from many without
replacement, all or none outcomes (Links to an external site.)
(DOCX)

Group of answer choices

9.50%

2.29%

2.31%

3.17%

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Question 15 2 pts

In a sample of 80 adults, 24 said that they would buy a car
from a friend. Three adults are selected at random without
replacement. Find the probability that none of the three would buy
a car from a friend.

Homework Help:

2VG: Probabilities of drawing several from many without
replacement, all or none outcomes (Links to an external site.)
(2:16)

2DH. Probabilities of drawing several from many without
replacement, all or none outcomes (Links to an external site.)
(DOCX)

Group of answer choices

34.00%

2.46%

33.74%

24.60%

Answer #1

12)

probability that a randomly selected shirt has loose threads or has
crooked stitching= 0.05+0.09-0.035= 0.105
or **10.5%**

13) Non-mutually exclusive events

14) P(X=3)= C(228,3)*C (572,0)/C(800,3)
= 0.0229 or
**2.29%**

15) P(X=0)= C(24,0)*C (56,3)/C(80,3)
= 0.3374 or
**33.74%**

please revert for doubts and |

please UPVOTE the solution |

Question 7 2 pts
A card is randomly selected from a standard deck of 52 cards.
What is P(8 or 9)?
Homework Help:
2VC: Probabilities when drawing one card from a deck (Links to
an external site.) (0:59)
2DD. Probabilities when drawing one card from a deck (Links to
an external site.) (DOCX)
Group of answer choices
13/52
16/52
8/52
2/8
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Question 8 2 pts
In a sample of 500 customers, 140 say that service is poor....

Question
Fifty-three percent of employees make judgements about their
co-workers based on the cleanliness of their desk. You randomly
select 8 employees and ask them if they judge co-workers based on
this criterion. The random variable is the number of employees who
judge their co-workers by cleanliness. Which outcomes of this
binomial distribution would be considered unusual?
Homework Help:
3VD. Finding unusual outcomes from a probability distribution
(Links to an external site.) (2:32)
Group of answer choices
0, 1, 2,...

Question 1 2 pts
Let x represent the height of first graders in a class. This
would be considered what type of variable:
Nonsensical
Lagging
Continuous
Discrete
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Question 2 2 pts
Let x represent the height of corn in Oklahoma. This would be
considered what type of variable:
Discrete
Inferential
Distributed
Continuous
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Question 3 2 pts
Consider the following table.
Age Group
Frequency
18-29
9831
30-39
7845
40-49
6869
50-59
6323
60-69
5410
70...

What tools could AA leaders have used to increase their
awareness of internal and external issues?
???ALASKA AIRLINES: NAVIGATING CHANGE
In the autumn of 2007, Alaska Airlines executives adjourned at
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midst of a multi-day strategic planning session. Most headed
outside to relax, unwind and enjoy a bonfire
on the shore of Semiahmoo Spit, outside the meeting venue in
Blaine, a seaport town in northwest
Washington state.
Meanwhile, several members of...

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