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23.10.2019 •
Mathematics
Suppose that the weight of seedless watermelons is normally distributed with mean 6.1 kg. and standard deviation 1.9 kg. let x be the weight of a randomly selected seedless watermelon. round all answers to 4 decimal places where possible.
a. what is the distribution of x? x ~ n( , )
b. what is the median seedless watermelon weight?
[] kg.
c. what is the z-score for a seedless watermelon weighing 7.4 kg? []
d. what is the probability that a randomly selected watermelon will weigh more than 6.5 kg? []
e. what is the probability that a randomly selected seedless watermelon will weigh between 6.4 and 7 kg? []
f. the 90th percentile for the weight of seedless watermelons is []
kg.
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Ответ:
B
Step-by-step explanation:
They are both congruent