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find the indicated area under the standard normal curve. between z= -0.63 and z= 0.63
Elementary Statistics The area between z= -0.63 and z= 0.63 under the standard normal curve is?(Round to four decimal places as needed)
Bio Stat Question:
1. Is there a difference in age between patients on the fast-track protocol, and those receiving standard care? 2. Is the proportion of patients who are female in the fast-track group significantly...
stat question
this is a stats class. in a sample of all majors at a large university(n=3200), the grade pt average is 2.9 with a standard deviation of 0.9. is there a significant difference between the sample avg...
Scores for an entry exam to a university...?
Scores for an entry exam to a university are normally distributed with a mean of 75 and a standard deviation of 6.5: a) If the top 5% are admitted with a full scholarship, what is the lowest score...
Determine the area under a normal distribution graph with a mean of 55 and a standard deviation of 7?
a) to the right of x = 58 b) to the left of x = 24 Please show graphs if you can!!
How to find a percentage from standard deviation and mean?
Tommy Wait’s times between pitches is normally distributed with a mean of 36 sec. and a standard deviation of 2.5 sec. What percentage of his times between his pitches are 30 and 34 seconds? Please...
How to find z-scores?
How can I find the z-scores of 0.7491, 0.0931, and 0.3452?
what if the class interval is 36?
when I divided the lower limit by the upper limit for ex., 254-3= 251. Then I divide 251 by the number of classes which is 251/7=35.85, that I then rounded off to 36.
30% of all Girl Scout cookies sold are Thin Mints. If we select 9 boxes of cookies at random, what is the probability at most 5 of them are Thin Mints?
Economic Statistics I Does anyone have a formula for these type of problems?
incomplete delinquency records
Your hospital has counted 234 incomplete medical records in the incomplete area of your HIM Department for the month of September. During this same period your hospital discharged 1,051...
incomplete records for a period
Your hospital has counted 234 incomplete medical records in the incomplete area of your HIM Department for the month of September. During this same period your hospital discharged 1,051...
delinquent record
During the first quarter of the fiscal year, the HIM Department reported 561 delinquent records. The hospital averages1,700 discharges per month. What is the delinquent record rate for the...
10) In your top dresser drawer are 6 blue socks and 10 grey socks, unpaired and mixed up. One dark morning you pull two socks from the drawer. What is the prob
10) In your top dresser drawer are 6 blue socks and 10 grey socks, unpaired and mixed up. One dark morning you pull two socks from the drawer, without replacement. What is the probability that the...
How do I create a probability model for this question?
a carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It costs $5 to play and you're willing to spend up to $20 trying to win. You estimate that you...
How do I create a probability model?
You draw a card from a deck If you get a red card ou win nothing. If you get a spade you win $5. If you draw a club you win $10 plus an extra $20 for the ace of clubs. Create a probablity model for...
In a standard normal model, what value of z cuts off the lowest 12%?
Need to draw a picture first.
Statistics with chi square
Race of Offenders Type of Lawyer. White Nonwhite. Total Private. 95. 25. 120 (47.5%). (8.3%) Court appointed 105....
I need a creative ideas
Hi, I need an idea for a creative project for my statistics class, It should be a simple one. I have some statistical definitions and I have to put them in a creative way! Thank you,
statistics
Let me know if this is correct. I broke the responses into male and female categories. Two out of 15 females have been divorced one time each and three out of fifteen males have been divorced once...
statistics
I have done a survey and I need to calulate the mean, median and mode for my data. To try and determine an average divorce rate I interviewed 15 married people, 8 females, 7 males. I asked each...
