A) When the weight of a parcel of oranges was measured, it was observed that the average 200 grams and standard deviation of 25 grams fit the normal distribution. This package contains 500 oranges. What is the probability that an orange selected from a carton is between 216 g and 234 g? (Including 216 g and 234 g) B) When the weight of a parcel of oranges was measured, it was observed that the average 200 grams and standard deviation of 25 grams fit the normal distribution. 12 out of 500 oranges in this package were under a certain weight and could not pass the test. How many grams or less did oranges fail the test? C) When the weight of a parcel of oranges was measured, it was observed that the average 190 grams and standard deviation of 25 grams fit the normal distribution. 9 out of 500 oranges in this package were under a certain weight and could not pass the test. How many grams or less did oranges fail the test?
A) When the weight of a parcel of oranges was measured, it was observed that the average 200 grams and standard deviation of 25 grams fit the
B) When the weight of a parcel of oranges was measured, it was observed that the average 200 grams and standard deviation of 25 grams fit the normal distribution. 12 out of 500 oranges in this package were under a certain weight and could not pass the test. How many grams or less did oranges fail the test?
C) When the weight of a parcel of oranges was measured, it was observed that the average 190 grams and standard deviation of 25 grams fit the normal distribution. 9 out of 500 oranges in this package were under a certain weight and could not pass the test. How many grams or less did oranges fail the test?
D) When the individual weight of a parcel (500 pieces) of oranges was measured, it was observed that the average 200 grams and standard deviation of 25 grams fit the normal distribution. When 12 oranges are randomly selected from this parcel, what is the probability that an exact one is 150 g or less? calculate.
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