Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.4. (Round your answers to four decimal places.) A button hyperlink to the SALT program that reads: Use SALT. (a) If the distribution is normal, what is the probability that the sample mean hardness for a random sample of 11 pins is at least 51

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

yes the data was not prsented

step-by-step explanation:

60: 45 =12: 9 =4: 3 so the answer is 4: 3