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A new soft drink is being market tested. A sample of 400 individuals participated in the taste test and 80 indicated they like the taste.
a. At a 5% significance level, test to determine if at least 22% of the population will like the new soft drink.b. Determine the p-value.
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 16 cans of this soft drink, which were checked for calories
How many voters required to be sampled to evaluate the proportion within 0.05 with 95% confidence?
For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %.
We are doing a team project for our statistics class and our project is about "Math Anxiety". We are stuck on one question and the questions is "the teams will state the null and alternative hypotheses
Which of the following is true regarding ANOVA? a) It is used to test for a difference in medians among three or more populations
A comparison between products manufactured in China VS Mexico and their perceived quality to the US consumer based on manufacturing location.
Assume duration of human pregnancies follow mound-shaped distribution with mean of 266 days and the standard deviation of 16 days.
The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses fewer than 600 minutes?
The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes.
What is your initial perception of this information? What are other ways, beyond looking at the p-value alone, you could use to try to interpret what this outcome of r(2398) = -.21 tells us about the relationship between length of time taking drug..
The probability distribution of a random variable X is shown below, where X represents the amount of money (in $1,000s) gained or lost in a particular game of Blackjack.
Develop a 95% confidence interval for the amount of total itemized deductions for all taxpayers with an adjusted gross income of $52,500 (to the nearest whole number).
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