subject
Mathematics, 24.03.2022 20:50 catwomn

Please help!!! Having trouble with this! Edwin conducted a survey to find the percentage of people in an area who smoked regularly. He defined the label “smoking regularly” for males smoking 30 or more cigarettes in a day and for females smoking 20 or more. Out of 635 people who took part in the survey, 71 are labeled as people who smoke regularly.

z equals fraction numerator p with hat on top minus p over denominator square root of begin display style fraction numerator p q over denominator n end fraction end style end root end fraction
Edwin wishes to construct a significance test for his data. He finds that the proportion of chain smokers nationally is 14.1%.

What is the z-statistic for this data? Answer choices are rounded to the hundredths place.

-0.24

-0.03

-2.11

-2.34

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:10
An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 1
question
Mathematics, 21.06.2019 19:00
Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1
Answers: 1
question
Mathematics, 21.06.2019 21:10
Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.
Answers: 2
You know the right answer?
Please help!!! Having trouble with this! Edwin conducted a survey to find the percentage of people...
Questions
Questions on the website: 13722367