{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Quiz 2 - random variable 2 There are five teaching...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz 2 (03/02/2010) 1. A certain drug treatment cures 70% of cases of hookworm in children. Suppose that 10 children suffering from hookworm are to be treated, and the children can be regarded as a random sample from the population. Find the probability that (a) all 10 will be cured (b) three or more will be cured (c) exactly 50% will be cured (d) Calculate the expected value and standard deviation of your
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: random variable. 2. There are five teaching assistants available for grading papers in a particular course. The first exam consists of three questions, and the professor wishes to select a different assistant to grade each question (only one assistant per question). In how many ways can assistants be chosen to grade the exam?...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online