Question 3 Tries remaining: 1 Marked out of 8.00 Flag question The distribution of actual weights of 2x4 Lego bricks is

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Question 3 Tries Remaining 1 Marked Out Of 8 00 Flag Question The Distribution Of Actual Weights Of 2x4 Lego Bricks Is 1 (29.84 KiB) Viewed 8 times

Question 3 Tries remaining: 1 Marked out of 8.00 Flag question The distribution of actual weights of 2x4 Lego bricks is normal with a mean of 2.6 grams and a standard deviation of 0.2 grams. (Round your answers to 4 decimal places, if needed.) (a) The probability that a randomly chosen Lego brick is greater than 2.56 is (b) If a sample of 15 is randomly chosen, then the distribution of the sample mean weight is exactly normal and a standard deviation of (c) The probability that the sample mean weight of this sample of 15 is less than 2.56 is (d) The probability that the sample mean weight of this sample of 15 is greater than 2.56 is (e) The probability that the sample mean weight of this sample of 15 is between 2.56 and 2.66 is (f) There is only a 4% chance that the average weight of a sample of these 15 Lego bricks will be below Check ◆ with a mean of