Your company makes tires, that have a mean lifespan of 70,000km, with a standard deviation of...
Your company makes tires, that have a mean lifespan of 70,000km, with a standard deviation of 5,000km. What is the probability of randomly selecting 4 tires, that have a mean lifespan of more than 80,000km?
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Your company makes tires, that have a mean lifespan of 70,000km,
with a standard deviation of...
A tire company makes tires that have a normal distribution with a mean of 65,000 miles...
A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts no more than 62,500 miles A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts at least 68,500 miles. A tire company...
A tire company finds the lifespan for one brand of its tires is normally distributed with...
A tire company finds the lifespan for one brand of its tires is normally distributed with a mean of 48,400 miles and a standard deviation of 5,000 miles. Find the probability of a tire lasting more than 57,000 miles.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.1 years, and standard deviation of 1.1 years.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.1 years, and standard deviation of 1.1 years. If you randomly purchase one item, what is the probability it will last longer than 3 years?
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 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?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.2...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.2 years, and standard deviation of 0.7 years. If you randomly purchase 23 items, what is the probability that their mean life will be longer than 2 years? (Give answer to 4 decimal places.)
4. A manufacturer knows that their items have a normally distributed lifespan, with a mean of...
4. A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.4 years, and standard deviation of 3.2 years. If you randomly purchase 21 items, what is the probability that their mean life will be longer than 15 years? (Give answer to 4 decimal places.) 5. A particular fruit's weights are normally distributed, with a mean of 704 grams and a standard deviation of 12 grams. If you pick 12 fruit at random, what is...
A tire company makes tires that have a normal distribution with a mean of 65,000 miles...
A tire company makes tires that have a normal distribution with a mean of 65,000 miles and a standard deviation of 3000 miles prior to needing replacement. A tire that wears out after reaching the top 4% of miles lasted before needing replacement is considered very well made. Find the lowest number of miles that a tire would have to last to be considered very well made. A company sells pumpkin seeds. They advertise that they will offer you 100...
A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts no more than 62,500 miles A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts at least 68,500 miles. A tire company...
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