Activity 3 Table 3. Results of three coins tossed simultaneously 64 times.OutcomesObserved (O)Expected (E)(O − E)(O E)2(O  E)2/E3 heads98110.1252 heads;1 tail2124-390.3751 heads; 2 tails2124-390.3753 tails1385253.125Totals6464XXXXXXXXXXXXX2 = 4.0 State a null hypothesis for this experiment. How many degrees of freedom are there? What is the critical value of the X2 for α = 0.05? __________ Do you accept or reject the null hypothesis? Why?

Answered: State a null hypothesis for this…

Math

Probability

State a null hypothesis for this experiment. How many degrees of freedom are there?

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

Activity 3

Table 3. Results of three coins tossed simultaneously 64 times.

Outcomes	Observed (O)	Expected (E)	(O − E)	(O E)2	(O  E)2/E
3 heads	9	8	1	1	0.125
2 heads;1 tail	21	24	-3	9	0.375
1 heads; 2 tails	21	24	-3	9	0.375
3 tails	13	8	5	25	3.125
Totals	64	64	XXXXXX	XXXXXX	X2 = 4.0

State a null hypothesis for this experiment.

How many degrees of freedom are there?

What is the critical value of the X² for α = 0.05? __________

Do you accept or reject the null hypothesis? Why?

Expert Solution

Step 1

Null Hypothesis:

H0: There is no significant difference between observed and expected counts.

Degrees of freedom:

df=number of groups-1

=4-1

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