Q8. a) A company makes electric motors. The probability an electric motor is defective is 0.01. What is the probability that a sam

Question

Q8. a) A company makes electric motors. The probability an electric motor is defective is 0.01. What is the probability that a sample of 300 electric motors will contain (a) no defective (b) at most two defective ?

Clara · Answer

Answer:     M    a    r    k         M    e         A    s         B    r    a    i    n    l    i    s    t    .      H    o    p    e    ,         I    t         w    i    l    l         h    e    l    p         y    o    u    .     Step-by-step explanation:   You need 5 defective motors and 295 working motors so  (0.01)5×(0.99)295(0.01)5×(0.99)295     You can have them anywhere in the sample: multiply by  (3005)(3005)     p=(3005)×(0.01)5×(0.99)295≈9.3p=(3005)×(0.01)5×(0.99)295≈9.3 %

Charlotte

Find the area and perimeter of a trangle
Whose sides are 30cm , 40cm 50cm

Put commas and write in words
Indian system
numeration :
985409999

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