Please answer number 1 and 2 .
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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Please answer number 1 and 2 .
Transcribed Image Text:Untitled section
In a certain city district the need for money to buy drugs is given as the
reason for 75% of all thefts. What is the probability that exactly 2 of the
next 4 theft cases reported in this district resulted from the need for
money to buy drugs? *
O 0.418
O 0.211
O 0.521
O 0.314
For a certain type of biological cell, the probability that the cell will survive 5 p
for a given time is 0.3. Find the probability that just 4 out of 6 cells will
survive for this time.
0.0595
0.0348
0.0672
0.0489
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