A scientific report says that the proportion of the population that is left-handed is 0.10 with a margin of error of 0.02. Is 0.07 a plausible estimate for the proportion of the population that is left-handed? Explain your reasoning. Is 0.087 a plausible estimate for the proportion of the population that is left-handed? Explain your reasoning. Is 0.128 a plausible estimate for the proportion of the population that is left-handed? Explain your reasoning.

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?