A single thermometer is randomly selected and tested. Find P94, the 94-percentile. This is the temperature reading separating the bottom 94% from the top 6%. P94 = _______°C Solution Use z = (x – μ)/σ or x = zσ + μ Given: μ…
So, 15 adult male passengers can have a mean weight of up to 2625 / 15 =175 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they have a mean weight…
a tank in the shape of an inverted cone is being drained. the radius is 6 feet, and its height 15 feet. At what rate is the depth of the water tank decreasing at the instant when the depth is…
If the number of children was three more than the number of adults, and a total of $73.00 was spent, find the number of children who went. Solution Let c = number of children and a = number of adults.…
Combine the like terms in the expression: 2b2+7m+6b2−5m Write your answer as an expression. Solution 8b2 + 2m
Suzy is 5’7″ tall and Antonio is 6’0″ tall. Using Suzy as the reference, find the absolute change between Suzy and Antonio. Express your answer rounded to the nearest inch. Solution 5 inches 6’0″ minus 5’7″ = 5 inches
The velocity at time t seconds of an object moving on a line is v(t) = 2cos(πt),with distance measured in meters. The position of the object at time zero seconds is 2 meters. Find the acceleration function a(t) and the…
what is the answer for the absolute value for the following questions: |10 + 3x| – 2 > -1 |x divided by 2 – = 1 Solution Let z = 10 + 3x | z| – 2…
A particle moves on the x axis according to the function s(t)=t^2-8t+15 at time t seconds. a) At what time is it moving forward? backward? b) when is the speed increasing c) when is the particle stopped Solution velocity v(t)…
Is B correct? I’ve already taken my first attempt on this assignment, but It said it was wrong. Can someone please let me know? I would greatly appreciate it. A new cars salesperson, sold an average of $34,000 per day…
