Which of the following represent a linear inequality in open-sentence form? (Select all that apply.)
1 answer:
Option C: is the linear inequality in open - sentence form.
Explanation:
We need to determine the linear inequality in open - sentence form.
The open - sentence form of an equation or inequality which contains one variable.
If we substitute the value of a variable in the open sentence then the equation or inequality can be either true or false.
If the inequality or equation is true then the number is the solution to the variable.
Hence, the linear inequality in open sentence form is
Therefore, Option C is the correct answer.
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Answer:
The point estimate for p is 0.86.
Step-by-step explanation:
We are given that in a marketing survey, a random sample of 730 women shoppers revealed that 628 remained loyal to their favorite supermarket during the past year (i.e. did not switch stores).
Let p = <u><em>proportion of all women shoppers who remain loyal to their favorite supermarket</em></u>
Now, the point estimate for the population proportion (p) is represented by ;
Point estimate for p = =
where, X = Number of women shoppers who remained loyal to their favorite supermarket during the past year = 628
n = sample of women shoppers = 730
So, <u>point estimate for p</u> () =
= = <u>0.86</u>