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A modem transmits over an error-prone channel, so it repeats every "0" or "1" bit transmission five times. We call each such group of five bits a "codeword." The channel changes an input bit to its complement with probability p = 1/10 and it does so independently of its treatment of other input bits. The modem receiver takes a majority vote of the five received bits to estimate the input signal. Find the probability that the receiver makes the wrong decision.
Die with 4 sides {1, 2, 3, 4} is tossed 2 times. Let X equal maximum of two observations and let Y equal minimum. Determine joint pmf of X and Y, and correlation coefficient. Are X and Y independent?
The average price of a car wash is $5.00. A sample of six car washes averaged $5.70 and had a sample standard deviation of $1.30. Assuming a normal population, use the critical value method to test the claim at a= 0.05.
Generate a 95% confidence interval for the true mean total cholesterol levels in children.
The 99% confidence interval using a t-distribution is ( ), ( ). Round to one decimal place as needed
A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.
A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10 percent of the cases. If three patients are scheduled for surgery today and are to be administered this anesthetic, compute the probability that
A survey on household income in Northeast NJ area gave the following numbers in thousands of dollars:
It was reported that 20 readers responded and 87% said "no" whiles 13% said "yes". Identify four major flaws of the situation. Explain why you chose them.
The average monthly electric bill of a random sample of 256 residents of a city is $90 with a standard deviation of $24.
The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters. Determine the cumulative distribution function of flange thickness.
If you were using the relative frequency of an event to estimate the probablility of the event, would it be better to use 100 trials or 400 trials according to the law of large numbers?
Discuss the factors which might cause variation in the weight of Tootsie Rolls during manufacture.
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