I need the answer to this statistical question
I need the answer to this statistical question
a magazine article reports that, for the year 2011 insurance claims for jewelry exceeded those for electronics. The insurance covers lost, damaged, or stolen items. Identify a statistical population...
an example of educational research studies that used a .01 significance level and why?
A. Yes, because each item has an equal chance of being selected. B. Yes, because each group of n items has an equal chance...
successful 75% of the time. If the results of 9 such surgeries are randomly sampled, what is the probability that more than 7 of them are successful?
5. For the data presented below, answer the questions that follow. scores= individual Politictical test Current event 1 ...
I am trying to show the percentage that report B was pulled more than Report A. I know Report B was pulled 87% of the time but it doesnt seem like that would be the answer. I know this...
A weight loss center provided a loss for 72% of its participants. The center’s leader decides to test a new weight loss strategy on a random sample size of 140 and found weight loss in 78% of...
You are studying what proportion of SU students smoke. The null hypothesis is p = 0.27, and the alternative hypothesis is p > 0.27. Your study obtains a p-value of 0.001. ...
1: p-value is the probability of obtaining a sample result at least as extreme as that which was observed, assuming the null hypothesis is true. 2:An experiment is necessary to establish a cause-and-effect...
I would like to calculate a percentage increase per incremental period. For example, let's say that the national debt increased from $100 billion to $150 billion (wishful thinking) during a president's...
If IQ scores are normally distributed with a mean of 100 and a standard deviation of 20, then what is the probability that a person has an IQ score of at least 130?
probability
to find probability
I don't know how to sole this, Is it a valid problem or a trick question?
Why is the Standard deviation which is 12, 10, 9, 8, 6, 45, so large compared to Standard deviation 12,10,9,8,6
For the following statement, express the claim in symbolic form (null and alternative hypotheses): At least half the students at this school carpool to campus. Ho:...
A total of 373 patients are tested for two diseases, Disease A and Disease B. Of these 373 patients, 80 have Disease A, 36 have Disease B, and 6 have both diseases. What is the χ2 statistic of your...
What is your conclusion for the following claim: Claim: p = 0.34, P-value = 0.014, and α (alpha) = 0.05. A. there is not enough information to draw a conclusion B...
Find the percentile for the data value. Data set: 55, 38, 30, 66, 67, 68, 44data value: 55