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A guy flips a regular quarter ten times.
What is the probability that less than five of the ten flips is tails?
2) =BINOM.DIST(5,10,0.5,true)
3) .623046875
Is that correct if not can you explain how id get the correct answer using excel?
A survey in 2006 found that 69% of 223 boys aged 12 - 14 said they played computer or console games like Xbox or PlayStation . . . or games online.- Of 248 boys aged 15 - 17, only 62% played these games. Is this evidence of a real age-based differ..
Overall, the students' class attendance days (per year academic) is normally distributed around 180 days with a standard deviation of 15 days. What's the probability that the mean number of attendance days will be between 190 and 200?
The U.S. Senate consists of 100 senators, with 2 from each of the 50 states. There are d Democrats in the Senate. A committee of size c is formed, by picking.
Cognitive complexity the cognitive complexity of a structure was studied by Scott* using a technique in which a person was asked to specify a number of objects.
Most of the following selections were taken from letters-to-the-editors columns of newspapers and magazines. Identify any fallacies that may be committed.
Tthe probability distribution of each of his readings had a mean of 128 and a standard devation of 9. what is the probability of the sample mean that exceeds 140?
find the p-value an independent random sample is selected from an approximately normal population with an unknown
A drilling company has estimated a 40% chance of striking oil for their new well. A detailed test has been scheduled for more information.
The mean tensile strength for the bolts tested is 1385 pounds. Formulate and carry out a hypothesis test to examine the possibility that the bolts in the shipment might not be genuine.
A new improved rocket launching system is being considered for short-range assault rockets. The requirement is that 80% of the rockets shall strike the target area at 800 meters. A sample of 36 experimental launches is made with 29 striking the ta..
Use the method of runs above and below the median with a significance level of 5% to test the null hypothesis of randomness.
Diane, an individual investor, has a share of the stocks of EE Company. For the three-year period, the returns of the stock are 4%, 8%, and 10%.
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