How many bulbs will last more than 10 months

Assignment Help Mathematics

Reference no: EM13200822

A light bulb company knows the lifetime of 10,000 bulbs is normally distributed. The mean lifetime of a bulb is 8 months, and the standard deviation is 1.5 months. Approximately, how many bulbs will last more than 10 months?

Reference no: EM13200822

Questions Cloud

Describe gasoline as a commodity : Determine if the demand for the following products is price elastic or price inelastic, or explian how the necessity of a good and the availability of substitutes affect the price elasticity of demand.

Find what is the probability that the ball chosen : What is the probability that the ball chosen is an odd-numbered ball or a ball with a number less than or equal to 5?

What is the length of each side of the square : A square and a rectangle have the same area. The length of the rectangle is 3 meters more than the length of a side of the square. The width of the rectangle is 2 meters less than the length of a side of the square. What is the length of each side..

Should the government set a goal of reducing marginal cost : Explain the difference between fixed production technology and variable technology. Should the government set a goal of reducing the marginal social cost of pollution to zero in industries with fixed-production technology.

How many bulbs will last more than 10 months : A light bulb company knows the lifetime of 10,000 bulbs is normally distributed. The mean lifetime of a bulb is 8 months, and the standard deviation is 1.5 months. Approximately, how many bulbs will last more than 10 months?

Explain how many quarters does have : Marcy has a total of 100 dimes and quarters. if the total value of the coins is $14.05

Find the length of an arc intercepted by an a central angle : Find the length of an arc intercepted by an a central angle of .769 radian on a circle with radius 11.4cm.

Estimate the decrease in the number of housing starts : Use differentials to estimate the decrease in the number of housing starts when the mortgage rate is increased from 12% to 12.5%.

Define ahmed has first half of a treasure map : Ahmed has first half of a treasure map, which indicates that the treasure is buried in the desert (2x + 6) paces from Castle Rock. Vanessa has the other half of the map.

User Account

All Pages