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melba
Questions and answers by visitors named
melba
Questions (16)
-4x^2y(-4x^3y^5)
1 answer
436 views
simplify the following quotient of complex numbers into the form of a+bi -9+8i/1+2i
1 answer
417 views
determine if this statistical study is descriptive or inferential a study finds that 51% of registered voters favor candidate x
2 answers
1,051 views
suppose we have a set of blood pressure set with a mean of 120 systolic and a sample standard deviation of 20 points assume a
3 answers
641 views
find the range standard deviation and variance for following sample data 2,11,81,29,22,59,78,71,21,43,99,12,38,74,56,81
1 answer
375 views
SATI SCORES AROUND THE NATION HAVE A MEAN SCORE AROUND 500 A STANDARD DEVIATION OF ABOUT 100 POINTS AND ARE APPROXIMATELY
2 answers
512 views
if the correlation co-efficient is o.32 what is the sign of the slope regression line as the correlation co efficient decreases
1 answer
344 views
construct a scatterplot for x,y values x 1 2 3 4 5 y 0.5 0.0 -0.5-1.0-1.5 what would be the slope of this regression line would
2 answers
848 views
a set of data is normally distributed with a mean of 1000 and a standard deviation of 100.what would be standard score for a
2 answers
620 views
A. find the binomial probability p(x=5) where n=14 and p=0.30.
B. setup without solving the binomial probability p(x is at most
2 answers
614 views
find area under the standard normal curve A). p(z>0.58) B. p(-1.10<z<0)C. P(-1.60>=<z<2.09)
2 answers
561 views
given x =237 u =2.00 and s=12.3 find z
1 answer
409 views
find the normal approximation for the binomial probability that x=5 where n=14 and p=0.3 compare this to the value of p(x=5)
1 answer
455 views
consider a population with a mena =51.6 and a sd=5.9 (A) calculate the z score for x= 50.5 from a sample of size 47. (b) could
3 answers
422 views
given x is a noramlly distributed random variable with a mean of 28 and a sd of 7 find p(x<28)
1 answer
329 views
assume the population of heights of female college students mean of 64.37 inches standard deviation of 6,26 in and random sample
1 answer
366 views
