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Question:
(a) Find the number of different words which can be formed with the letters A, A, A, B, B, C, C if
(i) there is no restriction (ii) they must start and end with different letters (iii) the A's must be together (iv) the A's must be together and the B's must not be together
(b) (i) In how many ways can 5 balls be selected from 7 red balls and 4 black balls?
(ii) How many of the selections of 5 balls have a majority of black balls?
(iii) Find the probability that if 5 balls are selected at random from a bag containing 7 red balls and 4 black balls, there is not a majority of black balls.
In a certain lake a limnologist wishes to estimate the proportion of lake trout with lamprey scars. (a) How large of a random sample should be taken if the limnologist has no pr
A sine wave is sampled at interval Tand quantixed using N=2bits precision over the range ±1. The sine wave has peroid τ, and T is chosed such that T = 1/8τ Plot one cycle of the
Terry Co. manufactures a commercial solvent that is used for industrial maintenance. This solvent is sold by the drum and generally has a stable selling price. Due to a decrease in
How many different license plate of 5 digits can be made if the most let digit is 4 and the second digit from left is an odd number
difference between historigrams and histogram
a) What is analysis of variance? What are the assumptions of this technique? b) Three samples below have been obtained from normal populations with equal variances. Test the hypoth
determine the required value of the missing probality to make the distribution a discrete probability distribution
variable cost per unit remain constent why
waterways continuing prob
Have Minitab run a multiple linear regression to predict the margin of victory using the four predictors (home team record, away team record, stat1diff, stat2diff). Store the resi
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