# Question

A shipment of 50,000 transistors arrives at a manufacturing plant. The quality control engineer at the plant obtains a random sample of 500 resistors and will reject the entire shipment if 10 or more of the resistors are defective. Suppose that 4% of the resistors in the whole shipment are defective. What is the probability the engineer accepts the shipment? Do you believe the acceptance policy of the engineer is sound?

## Answer to relevant Questions

sample proportion of adults who respond yes, is approximately normal, how many more adult Americans does the researcher need to sample if (a) 10% of all adult Americans support the changes? (b) 20% of all adult Americans ...Which is larger, the area under the t-distribution with 10 degrees of freedom to the right of t = 2.32 or the area under the standard normal distribution to the right of z = 2.32? Why? A random sample of 60 married couples who have been married 7 years was asked the number of children they have.The results of the survey are as follows: (a) What is the shape of the distribution of the sample mean? Why? (b) ...From a random sample of 1201 Americans, it was discovered that 1139 of them lived in neighborhoods with acceptable levels of carbon monoxide. Source: Environmental Protection Agency. (a) Obtain a point estimate for the ...Construct a conﬁdence interval of the population proportion at the given level of conﬁdence. x = 400, n = 1200, 95% conﬁdencePost your question

0