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1. You randomly choose an integer from 0 to 9; what are the odds that the integer is 3 or more?
2.You toss 3 coins, what's the probability that all are heads?
3.Order these numbers in an increasing order:
-->1.5,NEGATIVE 2.4, 2.1, NEGATIVE 1.6, 3.3
-->2 AND 5 NINTHS,2.5,NEGATIVE 1.25, NEGATIVE ONE FIFTH, NEGATIVE 1 AND 2 NINTHS
If the gas mileages are normally distributed with a standard deviation of 2.1, find the probability that a car has a gas mileage of between 29.2 and 30.3 miles per gallon.
Why do we care whether the assumptions required for statistical tests are met? (Tip: You might also want to write your answer on a note card you paste to your computer.)
A poll found that 329 out of 763 adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 92% confidence.
A manufacturer of car batteries claims that his batteries will last, on average, 3 years with a variance of 1 year. If 5 of these batteries have lifetimes of 1.9, 2.4, 3.0, 3.5, and 4.2 years
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and a standard deviation of 1 degrees C.
Assess the use of qualitative data to support business decision making. Consider different types of qualitative data collection and analysis methods and the ways in which they can support business decision making and strategies.
the average annual age of doctors in a certain hospital is 44.0 years old with a standard deviation of 4.0 years.
it has been shown that people drive 5 - 10mph faster than the posted speed limit on a highway. it has been thought that
Of these, 36 are seniors, 30 are chemistry majors, and 8 are neither. A student is selected at random from the class. What is the probability that the student is both a senior and a chemistry major?
you are an engineer in charge of aircraft safety. you want to ensure that the probability of failure between
37 percent of managers have MBA degrees. Using probability formulas. Determine the proportion of employees who are managers and have MBA degrees.
compute a 95 confidence interval for the population mean based on the sample 1.5 1.54 1.55 1.51 0.09 0.08 1.55 0.07
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