You are a jury selection advisor. The government selects juries from the lists of registered voters in your district. The average age of registered voters in your district is mean = 39.7 years with...

You are a jury selection advisor. The government selects juries from the lists of registered voters in your district. The average age of registered voters in your district is mean = 39.7 years with...

I have a question from Hawkes Learning. I don't understand how to work the problem out right

H1: mean1=mean 2 HA: Mean1 does not equal mean 2 Alpha=0.1 mean1=21.29313 s^2=3.056543 mean2=21.9973 s^2=0.616692 Pooled variance: 1.878584 1.Indicate...

The length of time students needed in order to complete a statisics test followed a distribution that was approximately normal. The mean was 74 minutes. The standard deviation was 8 minutes.

A swimming school claimed that after taking lessons from their instructors the average seventy year old would be able to swim across an Olympic-sized pool in the significantly less time than the average...

Rounded up four decimal places

You are going to test the claim that at least 60% of women do the income taxes for their household. In a random sample of 500 women, 286 of them do the income taxes for...

The factors that affect the visibility of powered two-wheelers (PTWs)long dash—motorcycleslong dash—on the road were investigated in a study. A visual search study was conducted in which viewers were...

5 step hypothesis (two sample, independent samples) using sample standard deviations. n=30 average = 7.37 St dev of the sample: 0.94

assume that adults have iq scores that are normally distributed with a mean of 105 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ less than 135.

Scores on a SAT form a normal distribution of µ = 500 and σ = 100 1) What is the minimum score necessary to be in the top 20% of the SAT distribution? 2) find the range...

The Pew Research Center reports that the mean student loan amount is 2008 was $15,425 for students obtaining a bachelor's degree. Suppose a sample of 400 students had a sample mean loan amount of...

My sample standard deviation is 1.251

My mean of averages is 6.826 and my standard deviation of averages is 1.251

a. that your random variable is normally distributed b. that your sample size is larger ad close to the population size c. that your sample standard deviation is equal to the population standard...

The mean credit card debt for a 30 year old male living in NYC is approximately normally distributed with a mean debt of $9468 and a standard deviation of $1245. (For parts a thru c) What is the probability...

I know the forumla for the Z-score and the Raw-score, i'm just unsure of how to plug in. There three different students, but if you could just help me figure out one that owuld be helpful! Question: 3...

The mean and the median are equal. 2 comma 3 comma 4 comma 5,

20. A sports psychologist believes that people are more likely to be extroverted as adults if they played team sports as children. Describe two possible studies to test this theory...

18. A study is conducted to determine whether people l earn better with spaced or massed practice. Subjects volunteer from an introductory psychology class. At the beginning of...

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