A manufacturer knows that their items have a normally distributed length, with a mean of 18...
A manufacturer knows that their items have a normally
distributed length, with a mean of 18 inches, and standard
deviation of 5.7 inches.
If one item is chosen at random, what is the probability that it is
less than 13 inches long?
A manufacturer knows that their items have a normally
distributed lifespan, with a mean of 2.7 years, and standard
deviation of 0.7 years.
If you randomly purchase one item, what is the probability it will
last longer than 1 years?
Round answer to three decimal places
can you explain how to do this for me please
Homework Answers
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A manufacturer knows that their items have a normally
distributed length, with a mean of 18...
Question 3: a.) A manufacturer knows that their items have a normally distributed length, with a...
Question 3: a.) A manufacturer knows that their items have a normally distributed length, with a mean of 19.6 inches, and standard deviation of 2.4 inches. If 4 items are chosen at random, what is the probability that their mean length is less than 17.5 inches? b.) A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of 0.7 years. If you randomly purchase 14 items, what is the probability...
1) A manufacturer knows that their items have a normally distributed length, with a mean of...
1) A manufacturer knows that their items have a normally distributed length, with a mean of 11.9 inches, and standard deviation of 1.4 inches. If 15 items are chosen at random, what is the probability that their mean length is less than 12.4 inches? 2) A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.2 years, and standard deviation of 0.8 years. If you randomly purchase 2 items, what is the probability that their...
1) a) A manufacturer knows that their items have a normally distributed length, with a mean...
1) a) A manufacturer knows that their items have a normally distributed length, with a mean of 13.4 inches, and standard deviation of 2 inches. If one item is chosen at random, what is the probability that it is less than 7.5 inches long? b) A manufacturer knows that their items lifespans are normally distributed with mean = 14.2 and standard deviation = 3.9. What proportion of the items' lifespans will be longer than 25 years? c) A particular fruit's...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13 years, and standard deviation of 2.5 years. If you randomly purchase one item, what is the probability it will last longer than 20 years? A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.8 years, and standard deviation of 1.9 years. The 5% of items with the shortest lifespan will last less than how many years?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.3...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.3 years, and standard deviation of 0.6 years. If you randomly purchase one item, what is the probability it will last longer than 4 years?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.9...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.9 years, and standard deviation of 0.8 years. If you randomly purchase one item, what is the probability it will last longer than 4 years?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of 1.8 years. If you randomly purchase one item, what is the probability it will last longer than 12 years?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.1...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.1 years, and standard deviation of 4 years. If you randomly purchase one item, what is the probability it will last longer than 1 years?
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13 years, and standard deviation of 4.1 years. If you randomly purchase one item, what is the probability it will last longer than 23 years?
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.3 years, and standard deviation of 2.6 years. If you randomly purchase one item, what is the probability it will last longer than 10 years?
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