DATES: The rule amendments will become effective October 29, 1999. Section IV of this release contains information on compliance dates.
Answer:
The chi-square null hypothesis for the study that "socioeconomic status is related to smoking behavior" is False
Step-by-step explanation:
The chi-square null hypothesis is false because the chi-square null hypothesis states that no relationship exists on the categorical variables in a population, they are all independent of each other.
Ok so we start with 80 books and remove 50% so 40
2/5 of 40 is 16
16 books
STEP - BY - STEP EXPLANATION
What to find?
The function that reflects the given ratios given.
Given:
For every eight guests, 2 orders.
To determine the function;
Let y be the number of orders and x be the number of guests.
If for every eight guest, there must be 2 orders, then we will have;

So that, if there are 8 guests, that is; when x=8

ANSWER
y= 1/4 x