The masses of the oranges on sale at a farm stand are normally distributed with a mean of 239 grams and a standard deviation of
25
grams.
Enter the Z-score of an orange that has a mass of 259 grams.
grams.
Enter the Z-score of an orange that has a mass of 259 grams.
1 answer:
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Answer:
0.368
Step-by-step explanation:
Number of red marbles= 3
Number of blue marbles= 4
Number of green marbles= 7
Total number of marbles= 3+4+7= 14
Let the first ball is taken out to be red
P(R)=
than again a second ball is drawn, number of balls left= 14-1=13
Number of red= 2
P(R)=
Total probability=+
Total probability= 0.368
Hence, the correct answer is 0.368