Question

choose the correct answer

1.A survey was conducted among the citizens of a city to study their preference towards consumption of tea and coffee. Among 1000 randomly selected persons, it is found that 560 are tea drinkers and the remaining are coffee-drinkers. Can we conclude at 1% level of significance from this information that both tea and coffee are equally preferred among the citizens in the city? *


a.Calculated value of z=8.89, Null hypothesis accepted at 1% level

b.Calculated value of z=6.79, Null hypothesis rejected at 1% level

c.Calculated value of z=3.79, Null hypothesis rejected at 1% level

d.Calculated value of z=7.79, Null hypothesis rejected at 1% level

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Answer 1

I think options d is a right answer