# Question

Harada Construction has just bid on a major commercial project. The bid was based on a normal distribution representing Harada’s estimates of possible costs for the project. The distribution is centered on $6.5 million and has a standard deviation of $1.1 million.

a. How likely is it that project costs will be between $5 million and $6 million? b. How likely is it that projects costs will be no more than $7.2 million?

c. The company’s bid was $8.1 million. According to Harada’s estimates, how likely is it that project costs will exceed the bid amount?

a. How likely is it that project costs will be between $5 million and $6 million? b. How likely is it that projects costs will be no more than $7.2 million?

c. The company’s bid was $8.1 million. According to Harada’s estimates, how likely is it that project costs will exceed the bid amount?

## Answer to relevant Questions

According to a recent Gallup Poll, American men, on average, say they weigh 196 lbs.; women say they weigh 160 lbs. (source: Gallup.com). The sign in the main elevator in the new River Park Municipal Building identifies the ...The Interior Department reports annually on the status of the country’s national forests. In a recent survey done in John Muir Woods in California, the Department used a normal curve to describe the age distribution of ...The number of minutes of hot water you can expect from the shower in your dormitory is defined by the probability density function: where x = values for the random variable “minutes of hot water” a. Determine the ...Use the standard normal table to determine that probability that a. z is between 0 and 1.2; that is, find P(0 ≤ z ≤ 1.2). b. z is greater than or equal to 1.85; that is, find P(z ≥ 1.85). c. z is between 1 and 2; ...The following table summarizes the average annual return and the standard deviation of returns for several types of securities over the past 75 years. Assume annual returns in each case are approximately normally ...Post your question

0