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What are the popular ringtones? The Web site funtonia.com updates its list of top ringtones often. Here are probabilities for the top 10 ringtones listed by the site recently
(a) What is the probability that a randomly selected ringtone from this list is either Empire State of Mind or I Gotta Feeling?
(b) What is the probability that a randomly selected ringtone from this list is not Empire State of Mind and not I Gotta Feeling? Be sure to show how you computed this answer.
What is the 95% confidence interval estimate of the population mean examination score if a sample of 200 applications provided a sample mean = 935?
a dry-cleaning shop claims that a new spot remover will remove more than 70 of the spots to which it is applied. to
Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed.
A sample of 45 overweight men participated in an exercise program. At the conclusion of the program 32 had lost weight. At the .05 significance level, can we conclude the program is effective?
The random variable x is known to be uniformly distributed between 1.0 and 1.5.
here are the golf scores of 12 members of a college womens golf team in two rounds of tournament play. a golf score is
Identifying H0and Hr in ex 5-12 , examine the given statement , then express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.
Describe the following correlation. The students with the highest grades in written French were also the students with the highest grade in spoken French.
Can we conclude from this that most workers there earn between $25 and $35 per hour? Is this right interpretation for margin of error?
A student commented, "Once a poll has been taken, P^ (the sample proportion with a certain opinion) is a known value, so it cannot have a distribution of possible values.- Write an explanation for this student.
Use the equation to predict the value of a home measuring 1500 sq. ft. which is at a distance of 0.75 mile from the centre of the town.
question in a city in italy 30 of the families have a mastercard 20 have an american express card and 25 have a visa
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