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# A COMPANY THAT MAKES TRAFFIC SIGNAL LIGHTS BUYS SWITCHES FROM A

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Author: Christine Farr
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1)A company that makes traffic signal lights buys switches from a supplier. Out ofeach shipment of 1000 switches, the company will take a random sample of 10 switches.The company has a policy of rejecting a lot if they find any defective switches in thesample. What is the probability that the shipment will be accepted if, if in fact, 2% of theswitches are actually defective? Use MINITAB and include output.2)Ten policyholders file claims with Care-Free Insurance. Three of theseclaims are fraudulent. Claims manager Earl Evans randomly selects three of theten claims for thorough investigation. If x represents the number of fraudulentclaims in Earl's sample, P(x =1) is? Use MINITAB and include output. 3)Ten policyholders file claims with Care-Free Insurance. Three of theseclaims are fraudulent. Claims manager Earl Evans randomly selects three of theten claims for thorough investigation. If x represents the number of fraudulentclaims in Earl's sample, P(x =1) is? Use MINITAB and include output.4)Phone calls arrive at the rate of 48 per hour at the reservation desk atFounders Inn in Virginia Beach, VA. Assume the distribution of arrivals is Poissondistributed. Determine the probability of receiving 8 or 9 calls in 15 minutes. UseMINITAB and include output.

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