The NFL needs to buy a new batch of official coins for the pre-game coin flip. They get 3 sample coins from a manufacturer based in Sweden, and tell their intern to flip all 3 coins simultaneously multiple times and count the number of heads each time. The intern gets: 0 heads 4 times; 1 head 9 times; 2 heads 9 times; and 3 heads 5 times. Should the NFL buy coins from that manufacturer, i.e., are the coins fair or not? Calculate the test statistic. number (rtol=0.1, atol=0.0001) Calculate the P-value. P-val number (rtol=0.01, atol=0.0001) What is the conclusion at a = 0.05?. O (a) Cannot Reject HO O (b) Reject HO

The NFL needs to buy a new batch of official coins for the pre-game coin flip. They get 3 sample coins from a manufacturer based in Sweden, and tell their intern to flip all 3 coins simultaneously multiple times and count the number of heads each time. The intern gets: 0 heads 4 times; 1 head 9 times; 2 heads 9 times; and 3 heads 5 times. Should the NFL buy coins from that manufacturer, i.e., are the coins fair or not? Calculate the test statistic. number (rtol=0.1, atol=0.0001) Calculate the P-value. P-val number (rtol=0.01, atol=0.0001) What is the conclusion at a = 0.05?. O (a) Cannot Reject HO O (b) Reject HO

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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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

# 438. NFL Coins
The NFL needs to buy a new batch of official coins for the pre-game coin flip. They get 3 sample coins from a
manufacturer based in Sweden, and tell their intern to flip all 3 coins simultaneously multiple times and count
the number of heads each time. The intern gets: 0 heads 4 times; 1 head 9 times; 2 heads 9 times; and 3 heads
5 times. Should the NFL buy coins from that manufacturer, i.e, are the coins fair or not?
Calculate the test statistic.
number (rtol=0.1, atol=0.0001)
Calculate the P-value.
P-val number (rtol=0.01, atol=0.0001)
What is the conclusion at a =
0.05?.
O (a) Cannot Reject HO
O (b) Reject HO

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