Would it be a platykurtic curve, a normally distributed curve, a leptokurtic curve, or a positively skewed curve.
Would it be a platykurtic curve, a normally distributed curve, a leptokurtic curve, or a positively skewed curve.
A wildlife biologist observes four brown bears as they attempt to catch salmon in a river in Alaska. Assume that each bear has a .7 probability of catching a fish and that the bears fishing attempts...
How much should Emma agree to pay Tom if Candidate A wins in order to make the game fair? And how would you go about finding the answer?
1. Use the frequency distribution to find the expected value (mean), variance, and the standard deviation. Number of downloads (X) 27 28 30 31 32 Probability (P(X)) 0.15 0.2 0.3 0.25 0.1 2...
1. At a raffle, 3000 tickets were sold at $5 a piece for four different prices of $1500, $1000, $500, and $100. Build a probability distribution table with all assigned probabilities. Calculate the...
Thanks! 2. You have $10,000 to invest. After some investigating, you found two investment opportunities. Bond A has a return of 6.5% with a default rate of 2%. Bond B has a return of...
based on past experience, a bank believes that 11% of people who receive loans will not make payments on time. the bank has recently approved 300 loans. answering the following questions. What...
Scenario #1 for questions 1 through 5: Suppose you administer a certain aptitude test to a random sample of 9 students in your high school, and the average score is 105. We want to determine...
choose an alpha level of .01 and then analyze the data
. The ages of workers in the Illuminex plant are approximately normally distributed with a mean of 48 years and a standard deviation of 7 years. A worker is stopped at random and asked to fill out...
Kelloggâ€™s marketing department conducts an experiment to find out whether consumers can distinguish between its various brands of breakfast cereal. Five very small bowls of different brands of cereal...
He believes an estimate of this average amount using a confidence interval is sufficient. He assumes the standard deviation of total monthly deposits for all customers is about $1,475. How large a...
I need to know the standard deviation
He believes an estimate of this average amount using a confidence interval is sufficient. He assumes the standard deviation of total monthly deposits for all customers is about $1,475. How large a...
this is for statistics analysis of variance, chi-square, correlatio
A manufacturer knows that their items have a normally distributed length, with a mean of 18.2 inches, and standard deviation of 3.3 inches. If one item is chosen at random, what is the probability...
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly different from 0.39. Your sample data produce the test statistic z=2.37. Find the...
There is a standard deviation of 9 and a mean of 118
According to a survey conducted by the Association for Dressings and Sauces, 30% of American adults eat salad once each week. A nutritionist suspects that this percentage is not accurate. She conducts...
Quality control is an important aspect of the manufacturing process. At a local company, dispensing machines are manufactured to dispense 600 ml of soda into a bottle. Over time, the dispensing machines...