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Question 1: A sample space consists of 64 separate events that are equally likely. What is the probability of each?
Question 2: A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue.
Question 3: Suppose you have an extremely unfair coin: The probability of a head is and the probability of a tail is. If you toss the coin 32 times, how many heads do you expect to see.
we must be able to assign a probability distribution or probability function to the random variable X. So, what is the distribution of X when X ~ bin(n, p)?
1. Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activ..
The average height of american woman is distributed normally, with a mean of 63.5 inches and a standard deviation 2.5 inches. Approximately what percentage of american women are taller than 58.5 inches,
Ann and Jim, two employees in a fast-food restaurant, play the following game while waiting for customers to arrive: Jim pays Ann 2 cents if the next customer does not arrive within 1 minute; otherwise, Ann pays Jim 2 cents. Determine Jim's averag..
Please note the following definitions: The prevalence of a disease is the proportion of individuals in a population or subpopulation who have a disease.
What is the probability that someone selected at random will score 81 or lower and what percentage of all trainees will score between 60 and 75?
q1 the weights of packets of cookies produced by a manufacturer have a normal distribution with mean 202 grams and
suppose that the company currently has 180 units in stock and it will not be receiving any further shipments from its
(a) What is the relative frequency (i.e., proportion) of observations falling in the 0.260-0.280 interval? (Give your answer to four decimal places.) (b) What is the shape of the data distribution?
question considerthedataset123456789a. obtainthemeanandthemedianofthedata. whatistheshapeofthe distribution?b.
A state-wide sample survey is to be made. First, the state is subdivided into counties. Seven counties are selected at random and further sampling is concentrated on these seven counties.
Election officials take a random sample of 100 signatures and thoroughly investigate them to find that 84% are valid. Is this statistically significant evidence that the candidate has enough valid signatures overall? Explain.
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