Answer: 0.0594
Step-by-step explanation:
Given : The population proportion of adults questions reported that their health was excellent : p = 0.42
Among the 14 adults randomly selected from this area, only 3 reported that their health was excellent.
i.e. Sample size : n= 14


z-score : 
Put x= 3

Then, the probability that only 3 or fewer report having excellent health:-

Hence, the required probability : 0.0594
Answer:
A pack of pencil' price=$8
Price went up=$12
increasing percentage = change/original x100
= (12 -8)/8 x100
=4/8 x100
=50%
First, multiply 20 x 25 to find the amount of chairs per section:
20 x 25 = 500
Now, multiply 500 x 4 to find the total amount of chairs for 4 sections:
500 x 4 = 2000
Hope this helps!! :)
Answer:
183.75
Step-by-step explanation:
157.50
÷30
=5.25
×35
=183.75
Step-by-step explanation:
(x1,y1) = (6,-1)
(x2,y2) = (3,-7)
(y - y1)/(y2 - y1) = (x - x1)/(x2 - x1)
(y + 1)/(-7 + 1) = (x - 6)/(3 - 6)
(y + 1)/-6 = (x - 6)/-3
(y + 1)/2 = (x - 6)/1
y + 1 = 2(x - 6)
y = 2x - 12 - 1
y = 2x - 13