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The pulse rates for 13 adult women were as follows. Construct a 0.98 confidence interval for the mean pulse rate. (Give your answers correct to one decimal place and show owrk please).
82, 77, 59, 107, 58, 91, 98, 102,78, 59, 88, 65, 93
Lower limits_____________
Upper limits______________
Balls that have been thoroughly mixed. Sue and Jim, each, purchased one gumball. What is the likelihood both Sue and Jim get red gumballs?
when an instant replay system for tennis was introduced for a tournament men challenged 460 reference calls and 184 of
A researcher wishes to estimate with 95% confidence, the proportion of adults who have high speed internet. Her estimate must be accurate within 2% of the true proportion. a) Find the minimum sample size needed using the previous study that sh..
In an effort to counteract student cheating, the professor of a large class created four versions of a midterm exam, distributing the four versions among the students in the class.
A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean ..
A professional basketball player ins averaging 21 points per game. he will be retiring at the end of this season. The team has multiple options to replace him.
The U.S. government recently reported that the proportion of people feeling negative about the economy was only 30%. However, a recent poll by CNN/Gallup found that in a sample of 1000 people 450 of them felt negative about the economy.
Redheads are rumored to have fiery tempers and you think it might affect their grades. Is there any significant difference in grades between blondes, brunettes and redheads?
Determine margin of error was used in creating confidence interval above? Determine the sample size required to obtain the margin of error of 10.97 with 90% confidence interval?
a poll found that 41 of male voters and 44female voters support a particular candidate.too test whether this candidate
in a simple random sample of 36 families in a certain country you find that sample mean income to be 9500 with a sample
Compare and contrast the characteristics of parametric and non-parametric test methodologies. Give examples of when to use each.
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