Answer to Question #46543 in Statistics and Probability for Jeshani

Question

(b) A new computer network is being designed. The makers claim that it is not compatible with 96% of the equipment already in use.
i. Set up the appropriate null and alternative hypotheses needed to support this claim.
ii. A sample of 400 equipments is tested, and 390 of these equipments require changes. That is, they are not compatible with the new network. Can H0 be rejected at 98% confidence? Justify.