Mathematics
23.02.2022 14:55
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5
Solved by an expert
The following venn diagram shows the results of a teacher survey. a teacher asked
The following venn diagram shows the results of a teacher survey. a teacher asked her class which students owned android phones, which owns iphones, and which had service with at& t. what is the probability of randomly selecting a student from the class that owns an android phone or had service with at& t.
group of answer choices
iphone-5
at& t-2
android- 6
iphone and at& t-6
at& t and android- 6
none- 7
0.60
0.73
0.78
0.46
Show Answers
group of answer choices
iphone-5
at& t-2
android- 6
iphone and at& t-6
at& t and android- 6
none- 7
0.60
0.73
0.78
0.46
AngelOfLove
4,4(78 marks)
There's a probability of 0.60 to select a student that owns an Android Phone or has service with AT&T.
Step-by-step explanation:
The image attached shows the Venn Diagram.
From the diagram, 12 students use AT&T service and 6 students use an Android phone only. The total number of students is 30.
The probability to pick a student with Android is
The probability to pick a studen with AT&T is
Remeber, the probability of one event OR another implies the sum of probabilities.
Therefore, there's a probability of 0.60 to select a student that owns an Android Phone or has service with AT&T.
chanevelyn2
4,8(10 marks)
t=5
Step-by-step explanation:
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