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:
18
Step-by-step explanation:
1.80 x 10 = 18.0
:)
She practice for 2.1 or 2 1/10
Answer: Solution:
7x=-49
Step-by-step explanation:
4x-3y=8→(1)
5x-2y=-11→(2)
equation(1)×2⇒8x-6y=16
equation(2)×3⇒15x-6y=-33
Substracting ⇒-7x=49