Question 17 Subparts b, c , f
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
 alt="(e) State the decision rule:
% if the p-value of the
o at a = 1
Reject HO and accept Ha v
o is Select an answer
sample statistic
(f) Experiment:
Symbol of the sample statistic:
O Pz
O Pi - P2
Or
Op
O PP
O I2 - I1
O Pz-
Op
Value of the sample statistic:
P-value of the sample statistic rounded to 4 decimal places:
(g) Conclusion: Fail to reject HO
O at a =| 1
(h) Answer the question: Is the mean bumper repair cost less for small cars than it is for midsize cars?
O Yes, because the p-value is less than alpha.
O No, because the p-value is less than alpha.
O No, because p-value is greater than alpha.
O Yes, because the p-value is greater than alpha.
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
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