Answer:
We can use quadratic formula
a=3, b= -1, c=4
Step-by-step explanation:
Answer:I believe the answer is 20.
Step-by-step explanation:
Answer:
3.16666667 tons
Step-by-step explanation:
hope this helps have a good evening
Answer: 95% confidence interval would be (26.01,29.39).
Step-by-step explanation:
Since we have given that
n = 50
Mean = 27.7
Standard deviation = 6.12
We need to construct 95% confidence interval for the population.
so, z = 1.96
So, it becomes,

Hence, 95% confidence interval would be (26.01,29.39).
B can i please have brainliest