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2 Statistics

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Question 190

Historically, 6% of batteries from a production line fail a capacity check. After a machine is serviced, the engineer believes that the failure proportion has decreased. Let p p\,p be the population proportion that fail after the service.

Identify the correct pair of hypotheses for a test of Angela's belief.

Tick one box.

A

H0H_0H0​: p=0.06p = 0.06p=0.06, H1H_1H1​: p≠0.06p \ne 0.06p=0.06

B

H0H_0H0​: p=0.06p = 0.06p=0.06, H1H_1H1​: p<0.06p < 0.06p<0.06

C

H0H_0H0​: p<0.06p < 0.06p<0.06, H1H_1H1​: p=0.06p = 0.06p=0.06

D

H0H_0H0​: p=0.06p = 0.06p=0.06, H1H_1H1​: p>0.06p > 0.06p>0.06

Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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