Answer: Tammy's sample may not be vaild because she surveyed the students only from her class and it is likely that other classes might not like the subject maths. She might get the accurate results by surveying a larger number of people in the school instead of just her class.
Answer:
y
=
−
x
+
4
Step-by-step explanation:
Use the slope formula and slope-intercept form y
=
m
x
+
b to find the equation.
Answer:
Im guessing ruth...
Step-by-step explanation:
not very clear on question
Answer:
14x + 12
Step-by-step explanation:
8 times x would be 8x
4 times x would be 4x
8x+10+2x+4x+8-6
8x+2x+4x=14x
10+8-6=12
=14x + 12
Answer:
5.13 % to the nearest hundredth.
Step-by-step explanation:
This is a Binomial Distribution .
The required probability
= 30C6 (0.33)^6 (0.67)^(30-6)
= 0.051345