Mean, mu=44 cm
standard deviation, sigma = 4 cm
X=41

We calculate the Z-value for 41 cm
Z(41)=(41-mu)/sigma=(41-44)/4=-0.75

The probability that x>X
P(x>X)
=P(x>41)
=1-P(x<41)
=1-0.2266274 (from standard normal distribution tables for left-tail of Z=-0.75)
= 0.7733726

4 0

3 years ago

Mo’s farm stand sold a total of 164 pounds of apples and peaches.she sold apples for $1.75 per pound and peaches for $2.50 per p

erastovalidia [21]

X pounds of apples were sold
Y pounds of peaches were sold
{1.75X+2.5Y=337.5
{X+Y=164

{X=164-Y
{1.75*(164-Y)+2.5Y=337.5

0.75Y=337.5-287
Y=67.333

There are 67.333 pounds of peaches were sold.

6 0

3 years ago

a doll house has a replica stove that is 5cm tall the actual stove is 100 cm tall what is the scale factor​

a doll house has a replica stove that is 5cm tall the actual stove is 100 cm tall what is the scale factor