Answer:
Hypotenuse= 180.7 cm
Step-by-step explanation:
Using Pythagoras' theorem:
a^2+b^2=c^2 (let c= Hypotenuse "H")
(136)^2 + (119)^2 = H^2
18496+14161 =H^2
H^2= 32657
Taking square root on both sides
= 
H=180.7
Answer:
chi-square
Step-by-step explanation:
According to the given situation, Chi-square statistic would be considered for as we have to determine whether working hours and smoking are attached with each other or not.
To know whether working hours based on smoking or there is an important relationship between both- So Chi-square statistic would be used
Therefore the test that should be used is chi-square
1: 2.23
2: 0.77
3: 2/3 or 0.6
4: 0.83
5: 1.41
Answer:
im not able to do that question it is confusing
Step-by-step explanation:
