# math

posted by .

Suppose the probability that a construction company will be awarded certain contract is .25, the probability that it will be awarded a second contract is .21, and the probability that it will get both contracts is .13. What is the probability that the company will win at least on of the two contracts?

• math -

there are 3 scenarios

1. win the first, lose the second ---> .25(.79) = ...

2. lose the first, win the second ---> .75(.21) = ...

3. win the first, win the second ---> .25(.21) = ....

• math--REINY -

What about the number given, .13 for get both contracts? Wouldn't that contradict the third scenerio?

• math -

.33

## Similar Questions

1. ### Intro to Probability

two construction contracts are to be randomly assigned to one or more of 3 firms- I,II,III. A firm may receive more than one contract. if each contract has a potential profit of 90,000 dollars. find the expected potential profit for …
2. ### Statistics

Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Find the mean, variance, and standard deviation for this probability distribution. X 4 5 6 8 10 …
3. ### math equation

a construction company is planning to bid on a buildinh contract. The bid cost the company \$1400.00. The probability that all the bid accepted is 1/4. If the bid is accepted the company will make \$31,600 minus the cost of the bid.

suppose that al knows that the probability of an investigation is 0.70 how low must the probability of water's completing its research on time be so that the probability of litres being awarded the contract is at least 0.65?
5. ### MATH

An engineering consultant bids on jobs where he can make \$10000 profit. If in a certain month, he has a 20% probability of getting a contract, 30% probability of getting 2 contracts, 40% probability of getting 3 contracts, and 10% …
6. ### MATH

An engineering consultant bids on jobs where he can make \$10000 profit. If in a certain month, he has a 20% probability of getting a contract, 30% probability of getting 2 contracts, 40% probability of getting 3 contracts, and 10% …
7. ### Statistics

A small software company bids on two contracts. It anticipates a profit of \$60,000 if it gets the larger contract and \$25,000 if it gets the smaller contract. The company estimates that there is a 32% chance it will get the larger …
8. ### statistics

A basketball player makes 60% of the free throws that he attempts, except that if he has just tried and missed a free throw then his chances of making a second one go down to only 30%. Suppose he has just been awarded two free throws. …
9. ### Business Law- Need Help with this one..

Which of the following statements is true about contracts?
10. ### institute

Al Cascade ,president of the litre coporation is studying hiscompany's chances of being awarded an important water purificationsystem contract for the Tennessee Valley Authority.Accordingly twoevents are intrest to him.First ,litres …

More Similar Questions