At a particular college there are a total of 75 teachers. The table below shows the number of teachers in each age group. What is the probability that: Age group Number in that age group 30 – 39 10 40 – 49 20 50 – 59 30 60 – 69 15 If we selected 10 teachers, what is the probability that 1 are in their 30s, 2 are in their 40s and 7 are in their 50s? Type your answer to 4 decimal places

At a particular college there are a total of 75 teachers. The table below shows the number of teachers in each age group. What is the probability that: Age group Number in that age group 30 – 39 10 40 – 49 20 50 – 59 30 60 – 69 15 If we selected 10 teachers, what is the probability that 1 are in their 30s, 2 are in their 40s and 7 are in their 50s? Type your answer to 4 decimal places

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

At a particular college there are a total of 75 teachers. The table below shows the number of teachers in each age group.

What is the probability that:

Age group	Number in that age group
30 – 39	10
40 – 49	20
50 – 59	30
60 – 69	15

If we selected 10 teachers, what is the probability that 1 are in their 30s, 2 are in their 40s and 7 are in their 50s? Type your answer to 4 decimal places.

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