Standard deviation of gambler winnings
Suppose gambler keeps playing roulette (and betting a $1 each time) until the first time a bet is lost, at which point the gambler quits playing for the night. What is the expected value and standard deviation of gambler's winnings?
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Two plates, separated by a distance of 12.0 cm, have a potential difference of 1.70×103 between them, with the positive plate on the right. Calculate the electric field between the plate, taking as positive a field that points to the right.
If the flow in the hurricane outside of the hurricane's eye is approximate as a free vortex, determine the wind speeds at the location 20 mi, 30 mi, and 40 mi from the center of the storm.
How many grams of helium are in a balloon filled with 8.5 Lof the gas at a temperature of 20 C and a pressure of 800torr?
A loudspeaker of mass 19.0 kg is suspended a distance of h = 2.40 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.10 m . What is the tension T in each of the cables?
A study indicated that 41% of children ages 2 to 5 years had a good diet-an increase over previous years. How large a sample is needed to estimate the true proportion of children with good diets within 3% with 95% confidence?
If the explorer now takes 27 steps northeast, then 50 steps 60 degrees north of west, then 55 steps due south, how many steps will it take for him to get back to his hut if he goes in a straight line back? (ie. what is his in units of steps) Give
Complete and balance the following question, and identify the oxidizing and reducing agents. Recall that the O atoms in hydrogen peroxide, H2O2, have an atypical oxidation state.
The following frequency distribution shows the price per share for a sample of 30 companies listed on the New York Stock Exchange. Assume there are no price per shares between 29 and 30, 39 and 40, etc.
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Laurie's study also validated that among the study participants the topic of sexual abuse/assault was a top choice of interest for group
Problem: Pick a mental health/behavioral disorder or issue that typically presents in childhood or adolescence.
Carl Rogers identified active listening, unconditional positive regard, and accurate empathy as core conditions for successful helping relationships.
Discuss why researchers generally try to ensure that the participants in the comparison group are similar, as much as possible, to the participants
write a HPI for an Initial Psych intake based on these information: Patient comes in for an initial evaluation for medication management of past psych history
state of Georgia frequently mandates specific rehabilitative services during sentencing to address the underlying behavior of substance abuse.
Research Questions: How does social media influence interpersonal communication among different age groups?