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Consider a state lottery that has a weekly television show. On this show, a contestant receives the opportunity to win $1 million. The contestant picks from 4 hidden windows. Behind each is one of the following: $150,000, $200,000 $1 million, or a "stopper". Before beginning, the contestant is offered $100,000 to stop. Mathematically speaking, should the contestant take the $100,000?
Suppose you toss a coin and will win $1 if it comes up heads. If it comes up tails, you toss again. This time you receive $2 if it comes up healds. If it comes up tails, toss again. This time you will receive $4 if it is heads. Continue in this fashion for a total of 10 flips of the coin, after which you receive nothing if it comes up tails. What is the mathematical expectation for this game?
Company reveal that 70% of the workers are married, 36% are college graduates, and half of the college graduates are married. What is the probability that a randomly chosen worker is?
1 a top nhl hockey player scores on 93 of his shots in a shooting competition. what is the probability that the player
The maximum allowable payback and discounted payback statistic for the project are 2 and 2.5 years, respectively. Use the NPV decision rule to evaluate this project; should it be accepted or rejected?
how does the level of affluence affect health care? to address one dimension of the problem a group of heart attack
It is well known that similarity in attitudes, beliefs, and interests plays an important role in interpersonal attraction (see Byrne, 1971, for example). Thus, correlations for attitudes between married couples should be strong. Suppose a researcher ..
Change the last number in that set from 36 to 14 and recalculate the confidence interval. Using the results, describe the effect of an outlier or extreme value on the confidence interval.
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
At the .05 significance level, can we conclude that the guideline is still reasonable?
a companys manufacturing process uses 500 gallons of water at a time. a scrubbing machine then removes most of a
Chi-square tests are great to show if distributions differ or if two variables interact in producing outcomes. What are some examples of variables that you might want to check using the chi-square tests? What would these results tell you?
if the random q has a continuous uniform distribution with parameters a0 and b3 find the probability that the roots of
The 95% confidence interval is defined as ____. a) an interval such that we are 95% confident that the population value lies within the interval b) an interval such that the probability is 0.95 that the interval contains the population value
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