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A coin is tossed 3 times and the sequence of heads and tails is recorded.
a) List the elements of the sample space.
b) List the outcomes in each of the following events: A = at least two tails, B = last two tosses are tails, C = first toss is a tail.
c) List the elements in the following events: Ac, A ∩ B, A ∪ C.
Three fair coins are thrown (and throw are independent of each other). (i) Find the probability that exactly two are tails.
If the server has 40 customers in one shift, what is the probability that her total tips are less than $250? (Assume that these 40 customers represent a simple random sample).
If she was able to invest her money at 7% per year, how much did she have to deposit into this trust account?
average fuel consumption for a boeing 747 commercial jet in cruising position is 3213 gallons of jet fuel per hour
a pair of fair dice is thrown. find the probability p that the sum is 10 or greater if label event and sample spacea a
Driverless vehicles can be used in warehouses, airports, and many other applications. These vehicles follow a wire embedded in the floor and adjust the steerable front wheels in order to maintain proper direction, as shown in Figure P8.7 (a) [10].
at a large publishing company the mean age of proofreaders is 36.2 years and the standard deviation is 3.7 years.
Females aged 50 and over are approximately normally distributed with a mean of 250 mg/dL and a standard deviation of 30 mg/dL. What is Mrs. Brown's cholesterol level?
Explain the limitations presented by the study population and sample size used. Support your explanation with examples from the study. Discuss the advantages and disadvantages of the type of statistical analysis used.
Workers. Employment data at a large company reveal that 72% of the workers are married, that 44% are college graduates, and that half of the college grads.
For instance, craps is a game in which two dice are rolled and the sum of the dots on the two dice determines whether the gambler wins, loses, or continues rolling the dice.
The average of 23 numbers is 14.7. What is the sum of these numbers?
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