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Additional items involve renewal/at-least-one events, joint visitation probabilities, and insurance-customer car-count scenarios, culminating in blood pressure and heartbeat frequency relationships.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/exam-p-probability-part-9-07-sample-questions/398844/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/exam-p-probability-part-9-07-sample-questions/398844.png","ImageObject",300,407,{"name":42,"@type":43},"Đào","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-09-28","2026-09-27",true,{"@type":52,"interactionType":53,"userInteractionCount":30},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What types of probability concepts are used in the sample questions?","Question",{"text":62,"@type":63},"The problems use conditional probability, union/complement relationships, independence, and joint probability reasoning. 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A survey of a group’s viewing habits over the last year revealed the following information:  \n(i) 28% watched gymnastics  \n(ii) 29% watched baseball  \n(iii) 19% watched soccer  \n(iv) 14% watched gymnastics and baseball  \n(v) 12% watched baseball and soccer  \n(vi) 10% watched gymnastics and soccer  \n(vii) 8% watched all three sports.  \nCalculate the percentage of the group that watched none of the three sports during the last year.  \n(A) 24  \n(B) 36  \n(C) 41  \n(D) 52  \n(E) 60  \n2. The probability that a visit to a primary care physician’s (PCP) office results in neither lab work nor referral to a specialist is 35% . Of those coming to a PCP’s office, 30% are referred to specialists and 40% require lab work.  \nDetermine the probability that a visit to a PCP’s office results in both lab work and referral to a specialist.  \n(A) 0.05  \n(B) 0.12  \n(C) 0.18  \n(D) 0.25  \n(E) 0.35  \n3. You are given P[A∪B] = 0.7 and P[A∪B′] = 0.9 .  \nDetermine P[A] .  \n(A) 0.2  \n(B) 0.3  \n(C) 0.4  \n(D) 0.6  \n(E) 0.8  \n4. An urn contains 10 balls: 4 red and 6 blue. A second urn contains 16 red balls and an unknown number of blue balls. A single ball is drawn from each urn. The probability that both balls are the same color is 0.44 .  \nCalculate the number of blue balls in the second urn.  \n(A) 4  \n(B) 20  \n(C) 24  \n(D) 44  \n(E) 64  \n5. An auto insurance company has 10,000 policyholders. Each policyholder is classified as  \n(i) young or old;  \n(ii) male or female; and  \n(iii) married or single.  \nOf these policyholders, 3000 are young, 4600 are male, and 7000 are married. The policyholders can also be classified as 1320 young males, 3010 married males, and 1400 young married persons. Finally, 600 of the policyholders are young married males.  \nHow many of the company’s policyholders are young, female, and single?  \n(A) 280  \n(B) 423  \n(C) 486  \n(D) 880  \n(E) 896  \n6. A public health researcher examines the medical records of a group of 937 men who died in 1999 and discovers that 210 of the men died from causes related to heart disease. Moreover, 312 of the 937 men had at least one parent who suffered from heart disease, and, of these 312 men, 102 died from causes related to heart disease.  \nDetermine the probability that a man randomly selected from this group died of causes related to heart disease, given that neither of his parents suffered from heart disease.  \n(A) 0.115  \n(B) 0.173  \n(C) 0.224  \n(D) 0.327  \n(E) 0.514  \n7. An insurance company estimates that 40% of policyholders who have only an auto policy will renew next year and 60% of policyholders who have only a homeowners policy will renew next year. The company estimates that 80% of policyholders who have both an auto and a homeowners policy will renew at least one of those policies next year.  \nCompany records show that 65% of policyholders have an auto policy, 50% of policyholders have a homeowners policy, and 15% of policyholders have both an auto and a homeowners policy.  \nUsing the company’s estimates, calculate the percentage of policyholders that will renew at least one policy next year.  \n(A) 20  \n(B) 29  \n(C) 41  \n(D) 53  \n(E) 70  \n8. Among a large group of patients recovering from shoulder injuries, it is found that 22% visit both a physical therapist and a chiropractor, whereas 12% visit neither of these. The probability that a patient visits a chiropractor exceeds by 0.14 the probability that a patient visits a physical therapist.  \nDetermine the probability that a randomly chosen member of this group visits a physical therapist.  \n(A) 0.26  \n(B) 0.38  \n(C) 0.40  \n(D) 0.48  \n(E) 0.62  \n9. An insurance company examines its pool of auto insurance customers and gathers the following information:  \n(","cbCaivs107tMfonu","https://ap.wps.com/l/cbCaivs107tMfonu","pdf",469291,140,"English","# EXAM P PROBABILITY\n## EXAM P SAMPLE QUESTIONS","[{\"question\":\"What types of probability concepts are used in the sample questions?\",\"answer\":\"The problems use conditional probability, union/complement relationships, independence, and joint probability reasoning. Several questions also require translating word descriptions into equations from counts or given percentages.\"},{\"question\":\"How is the probability of “none of the three sports” found in question 1?\",\"answer\":\"Use the complement idea: subtract the probability of watching at least one of the sports from 100%. The question provides single-sport and pairwise and triple overlap percentages to support this calculation.\"},{\"question\":\"What does question 4 ask about the second urn?\",\"answer\":\"It gives the probability that two drawn balls are the same color and asks to determine how many blue balls are in the second urn. Solving requires setting up equations using the red/blue counts in both urns.\"}]","EXAM P PROBABILITY - Part 9 -07 Sample Questions | PDF",1790489219,353]