Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.
Part 1 of 4
Save
O Points: 0 of 1
A rare form of malignant tumor occurs in 11 children in a million, so its probability is 0.000011. Four cases of this tumor occurred in a certain town, which had 13,892 children.
K
a. Assuming that this tumor occurs as usual, find the mean number of cases in groups of
13,892 children.
b. Using the unrounded mean from part (a), find the probability that the number of tumor cases in a group of 13,892 children is 0 or 1.
c. What is the probability of more than one case?
d. Does the cluster of four cases appear to be attributable to random chance? Why or why not?
