Determine (a) the x20 test statistic, (b) the degrees of freedom, (c) the P-value, and (d) test the hypothesis at the a = 0.05 level of significance. H0 : The random variable X is binomial with n = 4, p = 0.8 H1 : The random variable X is not binomial with n = 4, p = 0.8 X 0 1 2 3 4 Observed 5 40 122 442 385 Expected 1.6 25.4 152.7 407.1 407.1
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Determine (a) the x20 test statistic, (b) the degrees of freedom, (c) the P-value, and (d) test the hypothesis at the a = 0.05 level of significance.
H0 : The random variable X is binomial with n = 4, p = 0.8
H1 : The random variable X is not binomial with n = 4, p = 0.8
|
X
|
0
|
1
|
2
|
3
|
4
|
|
|---|---|---|---|---|---|---|
|
Observed
|
5
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40
|
122
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442
|
385
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|
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Expected
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1.6
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25.4
|
152.7
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407.1
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407.1
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