The national centre of health statistics reports that the mean systolic blood pressure for males 35-44 years of age is 128 and a standard deviation of 15. A group of 50 executives selected at random are tested and found to have an avarage of 132.3. Is there statistical evidenc...
A quality control audit has been devised to check on the sampling procedure when a truckload of potatoes arrive at a packing plant. A random sample of 250 is selected and examined for bruises and other defects. The whole truckload will be rejected if 5% of the sample is unsati...
Help with statistics
How did you come up with 2.61 and 1.54 when SD is 2.3?
A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscentific survey had an inital result of 30% .
This structure increases the surface area of the interior wall of the small intestine
Determine the equilibrium constant for the following reaaction at 298K. SO3(g)+J2O(g)->H2SO4(l); delta G = -90.5
A small mirror is attached to a vertical wall, and it hangs a distance of 1.81 m above the floor. The mirror is facing due east, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident and reflected rays lie in a plane th...
c). at what speed does it hit the ground? d). what total length of time is the ball in the air
math 6 grade
math 6 grade
Below are some sale prices for soda .Which offers the best price ? a. 6 for $1.75 b.8 for $1.90 c.12 for $3.15 d.30 for $7.50
For Further Reading