Search for question
Question

22 of 23 <>-/1

View Policies

Current Attempt in Progress

In a random sample of 85 automobile engine

crankshaft bearings, 10 have a surface finish

roughness that exceeds the specifications. Do

these data present strong evidence that the

proportion of crankshaft bearings exhibiting

excess surface roughness exceeds 0.10?

(a) State the appropriate hypotheses.

O Hop 0.10 and

H₁ p < 0.10

O Ho:p=0.10 and

H:p> 0.10

O Ho: p=0.10 and

H₁:p0.10

eTextbook and Media

Test the appropriate hypotheses using

a= 0.05. Find o

Round your answer to two dec

(e.g. 98.76).

SUPPORT

Fig: 1