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Certain radioactive substance is a random variable having the Poisson distribution with lambda = 2.4. Use the following data obtained for 300-1 second intervals to test this null hypothesis at the 0.05 level of significance.

Number of gamma rays Frequency

0 19

1 48

2 66

3 74

4 44

5 35

6 10

7 or more 4

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Reference No.:- M9993429

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