A random sample of 10 samsung Galaxy smartphones being sold over the internet in 2013 had the prices below (in dollars). Assume O 86, 199 169 249 329 269 135 349 299 249 149 a) What is the point estimate for all Samsung Galaxy Smartphne of the same brand sold in 2013? b) What is the appropriate standard deviation to use in computing the confidence interval? c) Caloulate the appropriate crtical value ( Z or t ) at 93% confidence level d) Calculate the margin of error for 93% Confidence level e) Compute the S93% confidence Interval for the mean price of all Samsung Galaxy Smartphne of the same brand sold in 2013?
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.
Solve sections D & E only please!
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keep final answer in four decimal places when possible
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