The highway fuel economy of a 2016 lexus rx 350 fwd 6-cylinder 3.5-l automatic 5-speed using premium fuel is a normally distributed random variable with a mean of μ = 26.75 mpg and a standard deviation of σ = 3.50 mpg. (a) what is the standard error of x¯¯¯ , the mean from a random sample of 36 fill-ups by one driver? (round your answer to 4 decimal places.) standard error of x¯¯¯ (b) within what interval would you expect the sample mean to fall, with 99 percent probability? (round your answers to 4 decimal places.) the interval is from to

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?