Posted by **tommy512** on Friday, June 7, 2013 at 8:37pm.

(c) The number of cars found to have unsafe tires among the 379 cars stopped at a roadblock for inspection (assume that 15% of all cars have one or more unsafe tires).

(i) Find the mean. (Give your answer correct to one decimal place.)

56.85.

(ii) Find the standard deviation. (Give your answer correct to two decimal places.) 6.79

.

(d) The number of melon seeds that germinate when a package of 60 seeds is planted (the package states that the probability of germination is 0.89.

(i) Find the mean. (Give your answer correct to one decimal place.)

Correct: 53.40.

(ii) Find the standard deviation. (Give your answer correct to two decimal places.)

3.10

- check math problem -
**Nora 56**, Friday, June 7, 2013 at 9:04pm
I got this one finally worked out right, but thanks anyway

- check math problem -
**Nora 56**, Friday, June 7, 2013 at 9:05pm
Sorry clicked on wrong problem, this guy may need help on this one.

- check math problem -
**Ms. Sue**, Friday, June 7, 2013 at 9:15pm
We know that Nora and Tommy are the same person.

Please use only one name for your posts.

- check math problem -
**Nora 56**, Friday, June 7, 2013 at 10:20pm
No they are not the same person, we are using the same computer....

## Answer this Question

## Related Questions

- math - For this problem, assume that you are to pick 3 cars from the motor pool...
- math - five rental cars require four new tires. the price of one new tire is $84...
- Math - Need help problem solving-- A 500 space parking lot is packed with ...
- Math - Need help problem solving-- A 500 space parking lot is packed with ...
- Math - A parking lot contains a total of 52 cars and motorcycles. There are a ...
- science - One of Darren's model cars keeps rolling off its track. The other cars...
- FAST MATH HELP - Need help problem solving-- A 500 space parking lot is packed ...
- math - Assume that you are to pick 3 cars from the motor pool, which contains 6 ...
- math***check answerss**** - please check answers... 2.yesterday ,a parking lot ...
- Math - The bar graph below shows the numbers of various colors of cars owned by ...

More Related Questions