Answer:
C
Step-by-step explanation:
Gross taxable Income = $ 1,166
Rate of Income tax = 30%
Amount of income tax = 30 % of 1,166
=
=$339.6
≅$340
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
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
2 answers:
Answer:
<h3>There's a probability of 0.60 to select a student that owns an Android Phone or has service with AT&T.</h3>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.
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Answer:
D. 0.1353
B. 0.0473
Step-by-step explanation:
For an exponentially distributed random variable, the cumulative distribution function is:
with parameter λ=2, then P(X≥1) is equal to:
D. 0.1353
with parameter λ=1.5, then P(2≤X≤4) is equal to
B. 0.0473