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A fair coin is tossed 100 times.
(a) Estimate the probability of getting exactly 50 heads
(b) Estimate the chances of getting more than 40 heads
(c) Suppose the coin is tossed 400 times. What number of heads would correspond to the 4o heads in part (b) in terms of probability? that is, the probability of getting more than x heads in 400 tosses is the same as the probability calculated in (b); find x.
Determine how to minimize the total cost of meeting the demands of the next three quarters. Assume that 1000 usable units are available at the beginning.
Discuss how a t Test can be employed in hypothesis testing by the use of directional vs. nondirectional hypotheses. Discuss types of research where using the t statistic may be an appropriate alternative to using a z-score.
Suppose you run a poll of 8 people. What is the probability that less than half of them (3 or fewer) would support the Democratic candidate?
Do these results suggest that the racial makeup of the faculty members is different from that of the students? (Use the .05 significance level.)
Education and Child Development Students at Stetson University plan to ask administrators to build more on-campus housing on the DeLand campus.
Give a 95% confidence interval for the mean blood pressure of the population from which the subjects were recruited.
The manager says they can have it ready in half an hour. Do you think the bike will be set up and ready to go as promised? Explain.
What is the probability that the first ball drawn was white, given that at least one of the two balls drawn was white?
a trucking firm suspects that the variance for a certain tire is greater than 1000000. to check the claim the firm
After the players participate in the training program, we repeat the test. The table shows the number of strikes each player threw before the training.
A pair of dice is rolled five times. What is the probability the first two results are "sevens" and the others are not?
In normal distribution, x=3 and z= 0.67. this tells you that x=3 is how many standard deviations to the right of left of the mean?
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