All categories

4 years ago

Find the probability that the sample mean deviates from the population mean μ = 108 by no more than 2.

Mathematics

1 answer:

Alexus [3.1K]4 years ago

7 0

I actually dont understand what ur asking for vut 80

You might be interested in

Write the formula for the parabola that has x- intercepts (3,0) and (8,0), and y- intercept (0,−2)

alexira [117]

Answer: $x^2-5x=-12(y+2)$

Step-by-step explanation:

Given

Parabola has x-intercept has $(3,0)$ and $(8,0)$

and Y-intercept as $(0,-2)$

Now the general equation of parabola is

$y=ax^2+bx+c\quad \ldots(i)$

Substitute $(0,-2)$ in $(i)$ we get

$-2=c$

Now substitute $(3,0)$ in equation $(i)$

$0=a(3)^2+3b-2\quad \ldots(ii)$

Now substitute $(8,0)$ in equation $(i)$

$0=a(8)^2+8b-2\quad \ldots(iii)$

Solving $(ii)$ and $(iii)$ we get

$a=\frac{-1}{12}\ \text{and}\ b=\frac{5}{12}$

therefore

$y=\frac{-x^2}{12}+\frac{5x}{12}-2$

$12y=-x^2+5x-24$

5 0

4 years ago

What does coordinates mean?

lisabon 2012 [21]

Directions to a place, or point on a graph.

5 0

3 years ago

Read 2 more answers

Look at the image, i need help with b mostly and please also answer a so i can check my answer

Gre4nikov [31]

Answer:

a) 10 per for 4 min means 150 per hour. so more hamburgers are sold per hour.

b) see attachment

3 0

3 years ago

Anything will help! Thank you.

sp2606 [1]

Step-by-step explanation:

(a) If g is the number of gallons left in the tank, and t is the time in hours since 8AM:

g = 8 gal − (1 gal / 24 mi) (60 mi / 1 hr) (t hr)

g = 8 − 2.5t

(b) If d is the distance traveled:

d = 60 mi/hr × t hr

d = 60t

0 = 8 − 2.5t

t = 3.2

The distance he travels is:

d = 60(3.2)

d = 192

George travels 192 miles.

3.2 hours after 8AM, the time is 11:12AM.

3 0

3 years ago

After driving to a riverfront parking lot, Bob plans to run south along the river, turn around, and return to the parking lot, r

mihalych1998 [28]

Answer:

WOW THAT IS HARD!!

Step-by-step explanation:

dsads

4 0

3 years ago