A quality control inspector is inspecting newly produced parts that have 1/3 probability of being defective. She randomly pulls 3 parts out of a bin holding 39 parts one at a time but puts the part back into the bin after checking it (with replacement). Required:
What is the probability that all three parts are defective?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Solving algebraic equations 2m+3=11