Answer: • 6
• -4
•3
Step-by-step explanation:
Answer:
The value of the test statistic
Step-by-step explanation:
From the question we are told that
The high dropout rate is %
The sample size is
The number of dropouts
The probability of having a dropout in 1000 people
Now setting up Test Hypothesis
Null
Alternative
The Test statistics is mathematically represented as
substituting values
Answer:
Her answer is incorrect. She is better off writing the expression x + .06X as 6% is expressed as .06 as a decimal. Adding sales tax would mean taking the initial cost x and adding the tax of .06x to it for the total cost after taxes.
Step-by-step explanation: