Answer:
We cannot infer at the 10% significance level that the assumption of ski centers is wrong
Step-by-step explanation:
The null hypothesis for this question can be stated as
Null hypothesis H0: =4
Alternate hypothesis Ha:
The test is two tailed
Standard Deviation –
= 2
z=(4.84-4)/(2/sqrt(63))
=3.33
Z(0.1/2)=1.645 is less than Z =3.334
Hence, we will reject H0
Hence, the average growth skier ski’s four times a year is not true
Answer:
The rate change between these points is 3.
Step-by-step explanation:
Answer: If the class sold c cards, the inequality that represents their profit goal is [20c - 0.2 > 10,000]
This year’s class sold 520 cards, so they [met] their goal because they sold more than [505] cards.
Step-by-step explanation: