Multiple Choice
Suppose a computer chip manufacturer rejects 4% of the chips produced because they fail presale testing.If 135 chips are picked at random,is it appropriate to use a normal model to approximate the distribution of the number of bad chips?
A) No;normal model cannot be used to approximate the distribution because np < 10
B) Yes;normal model with μ = 129.6 and σ = 2.28 can be used to approximate the distribution
C) Yes;normal model with μ = 5.4 and σ = 2.28 can be used to approximate the distribution
D) No;normal model cannot be used to approximate the distribution because nq < 10
E) Yes;normal model with μ = 5.4 and σ = 5.18 can be used to approximate the distribution
Correct Answer:
Verified
Correct Answer:
Verified
Q18: A basketball player has made 70% of
Q46: In one town,the number of burglaries in
Q52: A study found that 56% of people
Q72: Suppose that 14% of people are left
Q75: A company realizes that 5% of its
Q88: A tennis player makes a successful first
Q92: A basketball player has made 70% of
Q117: An airline estimates that 97% of people
Q181: On one tropical island,hurricanes occur with a
Q207: We deal 6 cards from a deck