Zoe says 247 rounded to the nearest hundred is 300 because 247 rounds to 250 and 250 rounds to 300.Is Zoe correct? Explain.

Plz explain everyone

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.