The mean systolic blood pressure for a random sample of 28 women aged 18-24 is 115.2 mm Hg and the standard deviation is 13.1 mm Hg.
Construct a 90 confidence interval for the standard deviation , of the systolic blood pressures of all women aged 18-24. Round to the nearest hundredth when necessary.
A) (11.23, 15.99 ) B) (10.22, 18.34 ) C) (10.59, 16.54 ) D) (10.75, 16.94 )
Question 2
The time (in years) until the first critical-part failure for a certain car is exponentially distributed with a mean of 3.4 years. Find the probability that the time until the first critical-part failure is less than 1 year.
A) 0.966627 B) 0.033373 C) 0.745189 D) 0.254811
Erythrocytes (red blood cells) moving through a capillary in single file.
Electronmicrograph showing a blood clot composed of fibrin, red blood cells, and tissue debris.
Herniated intervertebral disk: the herniated nucleus pulposus is applying pressure
Osmosis and the measurement of osmotic pressure
Giambologna, The Capture of the Sabine Women.
Predators adapt to extreme water pressure and the absence of light