In a batch of 2170 boxes of cereal, there are, on average, 12 with prizes. If a random sample of 170 is selected, find the probability that 4 have prizes. Round the final answer to three decimal places or to the first nonzero digit for small numbers.   Part 1 out of 2 Find the mean. Round your answer to one decimal place.   λ = __________

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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In a batch of 2170 boxes of cereal, there are, on average, 12 with prizes. If a random sample of 170 is selected, find the probability that 4 have prizes. Round the final answer to three decimal places or to the first nonzero digit for small numbers.
 
Part 1 out of 2
Find the mean. Round your answer to one decimal place.
 

λ = __________
 
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