A study conducted at a certain college shows that 56 of the school's graduates move to a different state after graduating. Find the probability that among 5 randomly selected graduates, at least one moves to a different state after graduating.
A) 0.984 B) 0.945 C) 0.200 D) 0.560
Q. 2The heights of ten male students (in inches) in a college biology class are listed below. Find the mean. 71 67 67 72 76 72 73 68 72 72
A) 71 inches B) 67 inches C) 68 inches D) 72 inches
Q. 3A IRS auditor randomly selects 3 tax returns from 46 returns of which 10 contain errors. What is the probability that none of the returns she selects contains an error?
A) 0.4704 B) 0.4793 C) 0.0103 D) 0.0079
Q. 4The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from 30, then the lab will modify a proposed enlargement of its facilities.
Suppose a hypothesis test is conducted and the test statistic is 2.5. Find the P-value for a two-tailed test of hypothesis. A) 0.0124 B) 0.0062 C) 0.4876 D) 0.4938
Q. 5Of 1518 people who came into a blood bank to give blood, 356 were ineligible to give blood. Estimate the probability that the next person who comes in to give blood will be ineligible to give blood.
A) 0.235 B) 0.286 C) 0.203 D) 0.154
Q. 6The heights of ten female students (in inches) in a college math class are listed below. Find the mean. 65 66 67 66 67 70 67 70 71 68
A) 67.7 inches B) 65.5 inches C) 71.1 inches D) 70.0 inches
Q. 7An electronics store receives a shipment of 50 flat screen TVs of which 6 are defective. During the quality control inspection, 3 TVs are selected at random from the shipment for testing.
The shipment will only be accepted if all 3 TVs pass the inspection. What is the probability that the shipment will be accepted? A) 0.6757 B) 0.6815 C) 0.0017 D) 0.001
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