Question
In: Statistics and Probability
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil tankers that have spills each month.
Step 1 of 2 :
Suppose a sample of 688688 tankers is drawn. Of these ships, 510510 did not have spills. Using the data, estimate the proportion of oil tankers that had spills. Enter your answer as a fraction or a decimal number rounded to three decimal places.
Solutions
orchestra answered 1 year agoRelated Solutions
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month.
Step 2 of 2:
Suppose a sample of 1344 tankers is drawn. Of these ships, 255
had spills. Using the data, construct the 99% confidence interval
for the population proportion of oil tankers that have spills each
month. Round your answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist
wants to find out the fraction of oil tankers that have spills each
month.
An environmentalist wants to find out the fraction of oil
tankers that have spills each month.
Suppose a sample of
779 tankers is drawn. Of these ships, 233 had spills. Using the
data, construct the 95% confidence interval for the population
proportion of oil tankers that have spills each month. Round your
answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month. Step 2 of 2 : Suppose a sample
of 579 tankers is drawn. Of these ships, 429 did not have spills.
Using the data, construct the 90% confidence interval for the
population proportion of oil tankers that have spills each month.
Round your answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month. Step 2 of 2 : Suppose a sample
of 250 tankers is drawn. Of these ships, 198 did not have spills.
Using the data, construct the 85 % confidence interval for the
population proportion of oil tankers that have spills each month.
Round your answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month.
Step 2 of 2:
Suppose a sample of 669 tankers is drawn. Of these ships, 173had
spills. Using the data, construct the 98%confidence interval for
the population proportion of oil tankers that have spills each
month. Round your answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month. Step 2 of 2 : Suppose a sample
of 292 tankers is drawn. Of these ships, 234 did not have spills.
Using the data, construct the 80% confidence interval for the
population proportion of oil tankers that have spills each month.
Round your answers to three decimal places. Lower
endpoint:__________ Upper endpoint:__________
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month. Step 2 of 2 : Suppose a sample
of 669 tankers is drawn. Of these ships, 529 did not have spills.
Using the data, construct the 98% confidence interval for the
population proportion of oil tankers that have spills each month.
Round your answers to three decimal places. previous answer is
.209.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month. Step 2 of 2 : Suppose a sample
of 355 tankers is drawn. Of these ships, 299 did not have spills.
Using the data, construct the 85% confidence interval for the
population proportion of oil tankers that have spills each month.
Round your answers to three decimal places.
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month.
Step 1 of 2:
Suppose a sample of 292 tankers is drawn. Of these ships, 58 had
spills. Using the data, estimate the proportion of oil tankers that
had spills. Enter your answer as a fraction or a decimal number
rounded to three decimal places.
Step 2 of 2:
Suppose a sample of 292 tankers is drawn. Of these ships, 58 had
spills. Using...
An environmentalist wants to find out the fraction of oil tankers that have spills each month....
An environmentalist wants to find out the fraction of oil
tankers that have spills each month.
Step 2 of 2 :
Suppose a sample of 516 tankers is drawn. Of these ships, 393
did not have spills. Using the data, construct the 90% confidence
interval for the population proportion of oil tankers that have
spills each month. Round your answers to three decimal places.
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