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Annuity plan participants’ life span: Please answer Questions 1 - 4 based on the following: A company that sells annuities (a form of insurance or investment entitling the investor to a series of annual sums) must base the annual payout on the probability distributions of the length of life of the participants in the plan. Suppose the probability distribution of the lifetime of the participants is approximately a normal distribution with a mean of 68 year and a standard deviation of 4 years. The Z-score of a participant’s life span was Z= -1.33. Approximately what % of participants die before this age? Group of answer choices 90% 10% 81% 9%

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On average, psychotherapy is ______ when compared with the costs of biomedical treatment for psychologically related complaints. equally expensive cost-effective variable more expensive

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Regularly dieting, exercising, tanning, and changing one's hair indicates a possible concern for artifacts in nonverbal communication. True False 0.5 points

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What is the relation between stress and strain? Group of answer choices Rourke's Law Proportional Law Young's Law Hooke's Law

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In relaxation, once the the motor neuron stops stimulating the muscle fiber, what happens? Question 11 options: Motor neuron stops firing an action potential. Acetylcholine is cleared from the synaptic cleft by Acetylcholinesterase. Troponin returns to its original shape. Tropomyosin returns to its original position, blocking the myosin binding sites on actin. Calcium goes back into the sarcoplasmic reticulum.

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if a and b are real numbers, the modulus of z = a + bi is

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In the years between 1916 and 1918, an estimated half-million African Americans moved to the North to fill the labor shortage in industrial cities caused by WWI. Most migrating African Americans arrived in big Northern cities to find In the years between 1916 and 1918, an estimated half-million African Americans moved to the North to fill the labor shortage in industrial cities caused by WWI. Most migrating African Americans arrived in big Northern cities to find integration and economic independence. jobs for which they were not trained. more poverty and segregation. acceptance and equality.

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Assembly code is a text format for representing machine code that must be converted to machine code before it can be executed. Question 2 options: True False

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True or False? Psychiatrists label behavior as disordered when it is deviant, distressful, and dysfunctional. In some cultures, depression and schizophrenia are nonexistent. Research suggests that the stigma and stress associated with being gay increase the risk of mental health problems. About 30 percent of psychologically disordered people are dangerous; that is, they are more likely than other people to commit a crime. About 1 in 4 adults suffer from a diagnosable mental disorder in a given year.

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QUESTION 18*2 POINTS Find the equation of the line through (8,-7) that is perpendicular to the line y=-(x)/(7)-7 Enter your answer using slope-intercept form.

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