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Two transmitters send messages by bursts of the radio signals to antenna. Throughout each time slot each transmitters ends the message with probability 1/2. Simultaneous transmissions result in loss
Statistics in psychology, 23. An experiment is conducted in which 60 participants each fill out a personality test, but not according to the way the participants see themselves. Instead, 15 are random
If the cost to a patient is in the lower 8% of charges for this medical service, what was the cost of this patient's emergency room visit?
According to the government study among adults in 25- to 34-year age group, the mean amount spent per year on reading and entertainment is $1,999. Suppose that the distribution of amounts spent foll
Assume the true distribution of the diameter of wheat stem follow normal distribution N(2.2, 0.36), whats the sampling distribution of average stem diameter for random sample of 8 wheat plants?
Determine the probability of drawing a king from a deck of cards? Compute the probability of drawing a king or a queen?
Employ the first two Bonferroni inequalities to calculate an upper and lower bound on the probability that in a group of 60 people, at least 3 were born on same day.
How do you compute the average value of uncertainties for series of measurements? For example, I have:
Referring back to (b), assume now that population mean waist size in 82 cm. Now what is the (approximate) probability that the sample mean will be at least 86.3 cm? In light of this computation, do
Assume that, for an upcoming study, we want to find out 100 men with serum uric acid level between 300 and 300micromoles/L. If we randomly interview men between the ages of 65 and 79, how many inter
A biased coin is tossed till a heads appears twice in the row, two heads next to each other in the sequence. The probability of head is 0.1. How many tosses will provide a probability of 0.5 for two
Find out the maximum error of the estimate, E. Find out the confidence level employed for the given confidence interval.
A 98% confidence interval estimate for the population mean was calculated to be (26.4, 47.8). Find out the mean of the sample, which was employed to find out the interval estimate (show all work)
By measuring the amount of time it takes component of product to move from one workstation to next, an engineer has estimated that the standard deviation is 3.22 seconds.
You found the mean to be 125 vehicles per minute with standard deviation of 32. Compute the 99% confidence interval for the population mean
Suppose that the mean score on certain aptitude test across the nation is 100, and that standard deviation is 20 points. Find out the probability that the mean aptitude test score for randomly sele
Suppose that a sample is drawn and z(?/2) = 1.96 and ? = 15. Answer the following questions: If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?
Estimate the sample size that is needed to estimate the true proportion of blue-eyed North Island college students if you want your estimate to be in 0.04 with a 90% confidence.
The mean and standard deviation on the last test in Professor McIsaac history test were 75 and 8 respectively. Professor McIsaac though the scores were too high.
The lifetime of the flashlight battery is basically distributed about mean of 35.6 hr with standard deviation of 5.4 hr. Kevin chosen one of these batteries at random as well as tested it. Determine
The number of bacteria in a drop of water from a lake has Poisson distribution with average of 0.5 bacteria/drop. A small dish containing four drops of water form the lake is placed under a microsco
The probability that a certain machine will produce a defective item is 0.20. If a random sample of 6 items is taken from the output of the machine, what is the probability that there will be 5 or m
The lifetimes of light bulbs produced by the company are basically distributed with mean of 1500 hours and standard deviation of 125 hours.
Assume that three balls are randomly selected, without replacement, from urn containing 2 red, 4 white, and 5 blue balls. If we let X and Y denote respectively, the number of red as well as white b