Statistics
posted by HELP .
Of the parts produced by a particular machine, 1.5% are defective. If a random sample of 11 parts produced by this machine contains 2 or more defective parts, the machine is shut down for repairs. Find the probability that the machine will be shut down for repairs based on this sampling plan.

Statistics 
Kuai
1p(x = 0) + p(x = 1)
1[(11C0)(.015)^0(.985)^11 + 11C1 *0.015^1 *.985^10)]
1[.84684 + .14185]
1.9887 = 0.0113
Respond to this Question
Similar Questions

Statistics
Can someone please help me with this example, I do not understand it at all. Binomial problems: Advanced A machine that manufactures automobile parts is estimated to produce defective parts % of the time. If this estimate is correct, … 
Statistics
Half of a set of the parts are manufactured by machine A and half by machine B. Four (.04) of all the parts are defective. Six percent (6%) of the parts manufacture on machine A are defective. Find the probability that a part was manufactured … 
statistics
Suppose a shipment of 500 machine parts contains 62 defective and 438 nondefective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding … 
stats
Suppose a shipment of 500 machine parts contains 62 defective and 438 nondefective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding … 
Statistics/Binomal
I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability … 
statistics
Among 15 metal parts produced in a machine shop, 4 are defective. If a random sample of five of these metal parts is selected, find a) The probability that this sample will contain at least three defectives. b) The probability that … 
statistics
Among 15 metal parts produced in a machine shop, 4 are defective. If a random sample of five of these metal parts is selected, find a) The probability that this sample will contain at least three defectives. b) The probability that … 
statistics
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. … 
math/statistics
In a manufacturing plant, three machines, A, B, and C, produce 37%, 36%, and 27%, respectively, of the total production. The company's qualitycontrol department has determined that 1.5% of the items produced by Machine A, 2% of the … 
Statistics
In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one fiveminute period, a lot consisting of 32 parts is produced. Twentytwo are produced by machine B and …