English, asked by pratibha, 1 year ago

PlZ answer......... PlZ PlZ plZ........

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Answered by itztaesprincessliza
2

Answer:

28. Sky packets guarantee 90% of their deliveries are on time. In a recent week 81 deliveries were made of which 6 were late. Sky packets Managing Director says with 95% confidence that there

has been a significant improvement in deliveries.Should Managind

Director,s statement be accepted ? (Hint: one tailed test] [a = 5%]

Answered by priya41887655
1

Answer:

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