A study found that one out of every 16 smokers develops lung cancer. ​ (a) Write the fraction as a decimal. ​ (b) Out of a group of 8000 smokers, find the number of expected to develop lung cancer.

iohanetc 2021-01-02 Answered
A study found that one out of every 16 smokers develops lung cancer. ​
(a) Write the fraction as a decimal. ​
(b) Out of a group of 8000 smokers, find the number of expected to develop lung cancer.
You can still ask an expert for help

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Solve your problem for the price of one coffee

  • Available 24/7
  • Math expert for every subject
  • Pay only if we can solve it
Ask Question

Expert Answer

irwchh
Answered 2021-01-03 Author has 102 answers

(a) The fraction is: 116=0.625
(b) Multiply 8000 by the fraction: 1168000=0.6258000=5000

Not exactly what you’re looking for?
Ask My Question

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Relevant Questions

asked 2021-05-14
Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type.
11.87.76.56.89.76.87.37.99.78.78.18.56.37.07.37.45.39.08.111.36.37.27.77.811.610.77.0
a) Calculate a point estimate of the mean value of strength for the conceptual population of all beams manufactured in this fashion. [Hint. ?xj=219.5.] (Round your answer to three decimal places.)
MPa
State which estimator you used.
x
p?
sx
s
χ~
b) Calculate a point estimate of the strength value that separates the weakest 50% of all such beams from the strongest 50%.
MPa
State which estimator you used.
s
x
p?
χ~
sx
c) Calculate a point estimate of the population standard deviation ?. [Hint: ?xi2=1859.53.] (Round your answer to three decimal places.)
MPa
Interpret this point estimate.
This estimate describes the linearity of the data.
This estimate describes the bias of the data.
This estimate describes the spread of the data.
This estimate describes the center of the data.
Which estimator did you use?
χ~
x
s
sx
p?
d) Calculate a point estimate of the proportion of all such beams whose flexural strength exceeds 10 MPa. [Hint: Think of an observation as a "success" if it exceeds 10.] (Round your answer to three decimal places.)
e) Calculate a point estimate of the population coefficient of variation ??. (Round your answer to four decimal places.)
State which estimator you used.
p?
χ~
s
sx
x
asked 2020-11-08
write an exponential growth equation of the form y=a(b)x given an initial value of 20 and a growth rate of 258%
asked 2021-08-18
The solution of the given proportion.
Given: 614=7x3
asked 2021-08-14
To solve: The proportion 17x=94 for the given variable x and round to the nearest thousandth.
asked 2021-05-07
Suppose that A and B are independent events such that P(A)=0.10 and P(B¯)=0.20
Find P(AB) and P(AB)
asked 2021-08-12
The value of x in 0.4x=24.7
asked 2021-08-20
Write 32.5 billion in scientific notation.