a) What is the probability that the class will earn pizza on the 4th test? b) What is the probability that the class will not earn pizza for the first 6 tests? c) A typical class has 8 tests during the year. Should the students expect to receive a pizza party sometime this year? Explain
a) What is the probability that the class will earn pizza on the 4th test? b) What is the probability that the class will not earn pizza for the first 6 tests? c) A typical class has 8 tests during the year. Should the students expect to receive a pizza party sometime this year? Explain
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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Grade 12 Data Management

Transcribed Image Text:A teacher provides pizza for his class if they earn an 80% average on any test. The probability of the class meeting this criteria is
known from past courses to be 11%.
a) What is the probability that the class will earn pizza on the 4th test?
b) What is the probability that the class will not earn pizza for the first 6 tests?
c) A typical class has 8 tests during the year. Should the students expect to receive a pizza party sometime this year? Explain
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