Answer:
112x3+346x2−260x
Step-by-step explanation:
Answer:
Identity
Step-by-step explanation:
You should draw a Passion flower bc they look really cool or you can draw cherry blossoms (Sakura) bc that’s what my middle name is Japanese
Answer:
The sample size is
Step-by-step explanation:
From the question we are that
The standard deviation is ![\sigma = 5.6 \ hours](https://tex.z-dn.net/?f=%5Csigma%20%3D%20%205.6%20%5C%20%20hours)
The margin of error is ![E = 0.45](https://tex.z-dn.net/?f=E%20%3D%200.45)
From the question we are told the confidence level is 98% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of
is
Generally the sample size is mathematically represented as
=>
=>