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A Truck Company Wants On-Time Delivery for 98% of the Parts

Question 72

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A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test?


A) A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test? A) B) C) D) E)
B) A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test? A) B) C) D) E)
C) A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test? A) B) C) D) E)
D) A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test? A) B) C) D) E)
E) A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing plant.They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal.As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time.Which hypotheses should they test? A) B) C) D) E)

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