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1. A distribution of scores is normally distributed with a mean??= 85and a standard deviation s=4. If one score is randomly sampled fromthe distribution, what is the probability that itwill be greater than 96, between 90 and 97 and less than 88?
Statistics and Probability, Statistics
Let's see how much you have been paying attention. For your first Pause-Problem in this chapter, please tell me three things that differentiate parametric from non-parametric tests (Hint: There are actually four, so see ...
You can invest money each month at 6 percent interest compounded monthly over the next 30 years. In 30 years, you will take all the money you invested and put it into an account earning 8 percent compounded monthly. Then ...
Homework - Conditional Probability & Bayesian Analysis 1) Questions: a. Consider rolling a 6 sided die 100 times to determine the number of times a "1" occurs: i. This is an example of what type of probability? ii. What ...
A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of x = 52.84? (Round your answer to two decimal plac ...
Wanda is going to Silver Dipper Ice Cream Shop to get a treat. She has 12 flavors of ice cream to choose from. There are 6 different types of toppings, and she may get her ice cream in a bowl, a regular cone, or a waffle ...
The number of accidents in a day in town A is given by X , and the number of accidents in a day in town B is given by Y . The joint probability function for X and Y Y is f ( x , y )=964 x ! y ! for x =0,1,2,3 an ...
A clothing quality director determines the accuracy of NFL Logos on t-shirts. 9% of the shirts made that day are defective. The shirts are sold in packages of 10. Find the probability that in one randomly selected packag ...
1) A normal distribution has μ = 28 and σ = 5. (a) Find the z score corresponding to x = 23. (b) Find the z score corresponding to x = 41. (c) Find the raw score corresponding to z = -3. (d) Find the raw sc ...
A representative from your company visited a prison and sampled 500 prisoners in Kailil, concluding that 90 of them are political prisoners. The Test hypothesis, at the 5% significance level, that one third of the prison ...
Income can have significant effects on people's spending patterns. Research studies have revealed that consumer expenditure is influenced by various factors such as their income, gender, age and level of education. In or ...
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