Number of results: 43
What kind of math classes must you take to become a Biologist? What kind of math classes must you take to become a Geneticist? I'm not a biologist, but I do know a little about math. I know there's a specialty in math called bio-stastics. I think that course requires at least ...
Sunday, September 10, 2006 at 2:36pm by Ande
a car dealer estimates that they sell two cars on average per week. they only have space in their showroom for 4 cars. if stock replacement cannot take place within a week, what is the probability assuming that weekly car sales follow a poisson distribution that, the dealer ...
Friday, April 27, 2007 at 3:51am by mary
Imagine that you have 10 CDs and 10 envelopes on a table before you; each CD and each envelope are labelled with a number such as 7 or 10. If you randomly put the CDs into the envelopes provided, what is the probability of matching only one CD into the wrong envelope?
Saturday, July 25, 2009 at 6:22pm by robyn
It took me a few minutes to realize this is a trick question. It is impossible to have exactly one CD in the wrong envelope. If a CD is in the wrong envelope, then there must be at least one other CD in a wrong envelope. So, the probability is zero.
Saturday, July 25, 2009 at 6:22pm by economyst
The first clzxx in a relative frequency table is 50-59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
Saturday, February 13, 2010 at 1:48pm by Liz
When we convert x-value to z- score and use Standard Normal distribution, which of the following statements is true? a) The mean of z-score is zero and standard deviation of the z-scores is the same as the standard deviation of original data b) The mean and standard deviation ...
Sunday, March 7, 2010 at 2:40pm by Mary
Bank of Connecticut estimated that balance on credit cards have follows Normal Distribution mean $845 with standard deviation $270. Calculate probability that balance on a single credit card is greater than $750
Sunday, March 7, 2010 at 2:41pm by Mary
Sunday, March 7, 2010 at 2:40pm by PsyDAG
A recent article in a computer magazine suggested that the mean time to fully learn a new software program is 40 hours. A sample of 100 first-time users of a new statistics program revealed the mean time to learn it was 39 hours with the standard deviation of 8 hours. At the 0...
Saturday, June 5, 2010 at 8:02pm by slayer
If the median home price in your area has decreased in your area in the last 2 years, how does this differ from the mean price in your area? Please explain why and include examples.
Tuesday, August 24, 2010 at 8:55pm by sue
Math? Stastics? What?
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Sunday, September 12, 2010 at 4:12am by Writeacher
stastics- correlation and regression
for the table that follows: answer the following questions: x y 1 -1/4 2 -1/2 3 -3/4 4 ? * would the correlation between x and y in the table show above be positive or negative? i think that it would be negative, i am not sure that is correct? * find the value of y in the ...
Tuesday, October 19, 2010 at 1:31am by mary-please help figure out this problem.
stastics- correlation and regression
When x increases by 1, y increases by 1/4. 1 is correct, but if both variables increase, is that a positive or negative correlation?
Tuesday, October 19, 2010 at 1:31am by PsyDAG
To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette yielded mean nicotine content ...
Sunday, November 28, 2010 at 11:30am by Roger
An employer claims that full time employees have a mean income of $35,000. A sample of 200 employees were considered. Their mean salaray was $34,000. POP sd of $4,000. Does her claim seem reasonable at at 0.05 significance level?
Tuesday, December 7, 2010 at 9:46am by Sammy Jo
johns runs a computer software store.he counted 128 people who walkrd by his store in a day , 60 of whom came into the store, of the 60 only 21 brought something in the store.estimate the prob that that a person who walks by the storeenter the store .round your answer to the ...
Tuesday, December 7, 2010 at 8:09pm by gaio
I'm having a hard time with question, can someone help me? A random sample of medical files is used to estimate the proportion p of all people who have blood type B. If you have no preliminary estimate for p, how many medical files should you include in a random sample in ...
Sunday, December 19, 2010 at 6:52pm by Kim
Practice Problem #16 pg. 307: A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability ...
Thursday, January 13, 2011 at 9:25am by Dianne
Following are the speeds of 40 cars clocked by radar on a particular road in a 35-mph zone on a particular afternoon: 30, 36, 42, 36, 30, 52, 36, 34, 36, 33, 30, 32, 35, 32, 37, 34, 36, 31, 35, 20, 24, 46, 23, 31, 32, 45, 34, 37, 28, 40, 34, 38, 40, 52, 31, 33, 15, 27, 36, 40 ...
Monday, April 18, 2011 at 12:50pm by tonya
How would you like us to help you with this assignment?
Monday, April 18, 2011 at 12:50pm by Ms. Sue