Mickie

I need to have an essay written about a book and the scientific relation behind it. I would do it myself but I'm not sure I know what to do and it's a large portion of my grade and it's not due until June but I need it soon as possible so I can get the wo...

The assembly times for a toy car follow a normal distribution with a mean of 55 minutes and a standard deviation of 4 minutes. The company closes at 5pm every day. If one worker starts to assemble a toy car at 4pm, what is the probability that she will fi...

For Tommy Bench, a minor league pitcher, the times between pitches are normally distributed with a mean of 36 seconds and a standard deviation of 2.5 seconds. If Bench performs 50 pitches, how many of them (to the nearest whole number) do you expect to ha...

The time it takes to run a road race is normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. What values cuts off the slowest 12% of the racers?

If X and Y are uncorrelated in the population, the expected value of the estimated linear regression coefficient (slope) is 0. True False

Rejecting the null hypothesis of no linear regression implies that changes in x cause changes in y. True False

work= force*displacement since the question asks only for the work done of f1: Work(f1)=20N*.600m ans. 12J