Letxequal the iqof arandomly selected american and assume it follows a normal distribution with the followingparametersx~n (112.8,13.72). what is the probability that a randomly selected american has aniqhigher thanjohn f. kennedy

In March in Austin, Texas, the temperatures for 7 consecutive days were 20°C, 22°C, 20°C, 24°C, 21°C, 26°C, and 23°C. What was the median of the temperatures for these days? A) 20°C B) 21°C C) 22°C D) 23°C

Show that f (x) = πx-2 and f-1 (x) = (x+2/π) are inverse functions of one another

Laura's dad mixes 8 quarts of liquid fertilizer with 8 gallons of water. Laura gives each of her seedlings 40 fl oz of the mixture. if she uses all of the mixture, how many seedling does she have? show your thinking

Is for over two and 20/6 proportions

Selena rides her bicycle to work. It takes her 15 minutes to go 3 miles. If she continues at the same rate, how long will it take her to go

What is total differential of a function?

What is the slope-intercept form of this equation? 8x 6y=12 a) y=-4/3x 2 b) y=-4/3x 6 c) y=4/3x 6 d) y=2/3x 2

What is 247 divided by 10 with a two power

Rob runs at a constant speed of 3.8 meters per second for one half hour. Then, he walks at a rate of 1.6 meters per second for one half hour. How far did Rob run and walk in 60 minutes?

David kicks a soccer ball off the ground and in the air, with an initial velocity of 35 feet per second. using the formula h (t) = - 16t2 vt s, what is the maximum height the soccer ball reaches? a. 17.9 feet b. 18.2 feet c. 18.7 feet d. 19.1 feet