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Express with x price of cupboard itself after price increased. Determine price of cupboard itself before price increased, and price of transportation.
If experiment uses independent measures design, can researcher conclude that treatments are significantly different? test at .05 level of significance.
For study conducted by research department of pharmaceutical company. Find lower limit of 95% confidence interval? Find the upper limit of the 95% confidence interval?
Jack has 100 football cards which he wishes to put in photo album. Each page in album will hold eight cards. How many pages in album will have cards on them?
Do you have sufficient pretzels to give each student 1/4 bag? If so, what fraction of bag will you have left? If not, what fraction of bag must you give to each student to use all of the pretzels?
Find out expected value of the variable. Find out probability that at least one of eight students are freshmen. find the probability that at least two of students are freshman.
Find the suitable regression equation to describe variation of monthly sales over given time period. Interpret estimated regression coefficients.
If she has 25 students, how many girls and how many boys does she have in class? Use proportions, rates and scale to solve problem.
Another cell phone service charges $0.05 per minute with $20 activation fee. Determine the number of minutes for which two cell phone services charge same amount
Determine probability that (a) exactly five typographical error are found on page, (b) at most five typographical errors are found on page (c) more than five typographical error are found on page.
As there are 450 students in senior class which may be eligible to go on trip, officers rent to minimize transportation costs? Find the minimal transportation costs?
If repetition of digits is permitted, but repetition of letters is not permitted, find out number of different passwords which can be made.
You measure speed of three cars traveling along this stretch of highways as 62 mph, 47 mph, and 56 mph. Determine z-score which corresponds to each speed. Determine which car had a relatively faster
Find the rate of change of angle of elevation between balloon and the observer 100 feet away from corner when balloon is 100 feet high?
Find critical numbers for function f(x)=(x+6)^10 and then use second derivative test to make decision whether critical numbers lead to relative maxima or relative minima.
Set of data is normally distributed with mean of 500 and standard deviation of 100. Find standard score for score of 433?
Find out minimum furnance output for 2300 ft sq modern house b) Solve formula for a. Find the minimum furnance output
Determine the length of ski lift from beginning of ski lift to top of mountain to the nearest hundredth of a mile.
Plot and label two different boxes which would each hold 60 cubic feet of merchandise. Compute amount of cardboard which would be required to make each box.
In 5 minutes of waking we forget half of our dreams in ten minutes we forget ninety percent. If we remember 3 dreams within ten minutes of waking up approximately how many dreams did we have altoge
Write 95% confidence for true proportion 18 year-old high school students in population who were on diet sometime in past year.
She wishes to make identical bouquets with three roses in each bouquet. How many bouquets can she make? How many tulips can she comprise in each bouquet?
Compute straight line distance, to nearest km from helicopter to faster car. Find out altitude of helicoptor to nearest km.
Create 95% confidence interval for average price of tires. How would this information help her in purchasing tires? If she samples 50 companies, how and why does interval change?
Random sample of 36 cats found average weight to be 9.8 pounds with standard deviation of 2.4 pounds. Create a 90% confidence interval for average weight of cats.