Answer:
0.6604
Step-by-step explanation:
Given that a market research firm knows from historical data that telephone surveys have a 36% response rate.
Sample size of random sample = 280
We know for samples randomly drawn of large size sample proportion follows a normal distribution with mean= sample proportin and std error
= 
Substitute p = 0.36 and q = 1-0.36= 0.64
p follows N with mean = 0.36 and std dev = 
Using normal distribution values we can find\
It’s false because if you take a negative number away from another negative number it would give you another negative number not a positive number!
Answer:
6a^2+108a-10ab-180b
Step-by-step explanation:
A. -3x+5+7-4x
-3x-4x+5+7
-7x+12
-7x+12-5x+17
-7x-5x+12+17
-12x+29
B. -5*(x+2)= -5x-10
-6x-1+ (-5x-10)= -6x-5x-1-10=
-11x-11
Answer:
32
Step-by-step explanation:
Remark
Every triangle has 180 degrees as the total of its 3 angles.
Equation
x + 98 + 50 = 180
Solution
Combine the like terms on the left
x + 148 = 180
Subtract 148 fro both sides of the equation
x + 148- 148= 180 - 148
Combine
x = 32
x is 32 degrees in size
