of pupils to the number of teachers (P-T ratio) can be CiliCUiIIIC-d f or each (b) What is the probability that Sam will be upgraded exactly 2 times in . (c) Sum will take 10 -4 ﬂights next year. 4.40 seconds, as shown in the table below. . (b ) Suppose a student knows the correct answers for 18 questions.
example, you can leave · + · exactly as is. Likewise for expressions like. 4 3 3 5. Table of normal probabilities: The last page of the exam contains a table of Let R be the number of times a randomly chosen student rebooted (so R takes values (b) If the test has 10 questions, what is the probability you score 90% or.
(b) The probability that none of the choices of sportswriter B nish in rst place is . Alice and Bob will take the same examination, which has 10 questions on it. Missing: table.