mul tiple cheice lo jun one Kach guerhion. siteing of 4 choices har Corre ct answer. If a Seudene makes Yan don 1 the probability of quesses

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Kach multiple cheice quersion
lonstheing of 4 choices has juse
One
correct answer. If
sudent makes
a
Yan dom
the
proba bility of
guesses.
geiling the correct an wer is O.25.
An
consists of 12 Sequentially
exam
appeaning MC Q. A studene Coming
-prepared to the exam intencds to
un-
make yandom choices.
(a) What is the probability that she
gets
aī lean
10 of
them coryect.
What is the probability that She
needs to attempt 8 queeien to gér
(b)
firse corect
guen-
What is the prohability that she
has to attempt 10 to get 4
.
Correct answeys.
Transcribed Image Text:Kach multiple cheice quersion lonstheing of 4 choices has juse One correct answer. If sudent makes a Yan dom the proba bility of guesses. geiling the correct an wer is O.25. An consists of 12 Sequentially exam appeaning MC Q. A studene Coming -prepared to the exam intencds to un- make yandom choices. (a) What is the probability that she gets aī lean 10 of them coryect. What is the probability that She needs to attempt 8 queeien to gér (b) firse corect guen- What is the prohability that she has to attempt 10 to get 4 . Correct answeys.
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