One hundred draws are made at random with replacement from box A, and 250 are made at random with replacement from box B. (a) 50
of the draws from box A are positive, compared to 131 from box B: 50.0% versus 52.4%. Is this difference real, or due to chance
1 answer:
Answer:
Therefore WE accept the Null hypothesis
That 50.0% versus 52.4%.difference is real
Step-by-step explanation:
Sample size A 
Sample size B 
Positive draw from box A 
Positive draw from box b 
Generally the equation for Probability of Positive draw from Box A is mathematically given by


Therefore

Generally the equation for Probability of Positive draw from Box A is mathematically given by


Therefore
Generally the equation for Standard error S.E is mathematically given by




Therefore

Generally

Therefore WE accept the Null hypothesis
That 50.0% versus 52.4%.difference is real
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