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Find the P-value for the indicated hypothesis test. In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. Find the P-value for a test of the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.
0.2843
-0.2843
0.2157
0.5686
Libay sold a painting for Php 3,125. If she earned Php 5000 profit, what was the original price of the painting?
A student in this class wants an A for the course. The quiz average was 88%. The score for each presentation and for the project was 90%. The exam 1 grade was 92% and the exam 2 grade was 94%. A boost of 4% has been earned. What grade on the ..
The length of a rectangle is 6 times the width. If the perimeter is to be at least 98 meters, what are the possible values for the width?
Complex problems
Show that the greedy algorithm for making change for n cents using quarters, dimes, nickels and pennies has O(n) complexity measured in terms of comparisons needed.
Can you think of situations in the business world or other real life situations where you would need to calculate or estimate probabilities?
Hunter is at the top of a cliff getting ready to rappel. If Hunter is 1,418 feet above the ground, and he wants to complete his rappel down the cliff in m minutes, which expression can be used to find the rate in feet per minute at which he should..
Which algebraic expression represents five inchess less than twice last year's rainfall f in inches?
During the first part of a trip, a canoeist travels 76 miles at a certain speed. The canoeist travels 24 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 4 hours. What was the speed on each part of the t..
Discrete random variable with probability mass function, 1) Let X be a discrete random variable with probability mass function Pr{X=k}= c/(1+(k^2)) for k= -2,-1, 0, 1, 2.
The number of shark attacks and deaths over a recent 5- year period is shown. Find the mean, median, mode, midrange, variance, and standard deviation for the date. Which data set is more valuable?
Suppose you win a lottery and you can take either $1400 in a year or $1000 now. Suppose also that you can invest the $1000 now at 6% interest. Decide which is a better deal and by how much.
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