A researcher selects from a participant pool of 8 males and 11 females. He determines that the probability of selecting 2 female participants is p = .335. Based on this probability, what strategy did the researcher use t ...

Question: In one law school class the entering students averaged 700 on the LSAT test with a standard deviation of 40. Assuming the distribution of test scores was normal, what fraction of the class scored above 750? Th ...

54% of public high school students are provided a computer by their school district. 40 students are selected at random. The random variable represents the number of students who have been provided a computer by their sc ...

Calculate cash inflow or outflow from operating activities given the following information: Net loss  $12,000; depreciation expense $3,000; increase in AR $1,250; decrease in inventory $900; increase in AP $760.

What is the sample size for studies with MOE of +/3.5% and +/2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

Confidence 1.The daily sales of Burger Baby restaurants follow the normal distribution with a standard deviation of $4000. a. A sample is taken of 50 restaurants and the average sales were $40,000/day. What is the 99% co ...

1. Choose all probability distributions which are theoretically related to normal probability distribution 2. The 689599.7 rule states that in a normal distribution 3. For a normal distribution the a mean of 179 and st ...

Ralph and Gina attend differed schools, but each have a GPA of 3.2 The GPA's at each score follow a normal distribution. Ralph's school has a mean GPA of 2.7 and a standard deviation of .25. Gina's school has a mean of 3 ...

Consider the distribution of 17 numbers: 6,9,11,19,23,27,29,36,41,43,47,50,51,55,58,63,67 A distribution of medical data is Normal with Mean of 40 and Standard Deviation of 10; that is N(40,10) a. Betty's score is 5.17. ...

A researcher records the following body mass index (BMI) scores for a group of participants: 29.1 1.3 (M SD). Participants who score between 26 and 30 on this scale are categorized as overweight. What proportion of parti ...

