Formular Suppose you had a 120 question exam and the probability of you answering each question correctly is 60%. What Score would you need to be at the 90th percentile ?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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PLEASE Show work with
formula used. Thank you!!
with reason for said
Formulas
Suppose you had a
had
and the probability of
each question correctly is 60%. What
a 120 question exam
you
answering
need to be at the
Score would
you
90th percentile ?
Biostatistics
Transcribed Image Text:PLEASE Show work with formula used. Thank you!! with reason for said Formulas Suppose you had a had and the probability of each question correctly is 60%. What a 120 question exam you answering need to be at the Score would you 90th percentile ? Biostatistics
Expert Solution
Step 1

It is given that 

P( correct answer )= p = 60% = 0.60

Sample size, n = 120

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