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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Question

Please answer thoroughly and clearly. Grade 12 Data Management

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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