Answer:
The standard deviation is not greater than 5 mg ()
Step-by-step explanation:
First we need to find the z-score for a 0.05 level of significance.
Looking in the z-table with alpha = 0.05, we have z = 1.645.
Now, finding the standard error of the mean, we have:
The standard deviation with 0.05 level of significance would be:
This deviation is not greater than 5 mg.
Answer:
6.3 * 10^-8
Step-by-step explanation:
3.27 - 2.64 = 0.63, but for scientific notation, you need a number that's larger than 1 as the multiplier, so we change it to 6.3 and 0.63 but chang *-7 to *-8
Answer:
4th one
Step-by-step explanation:
B. 15m, 20m, 25m
use pythagorean theorem
a²+b²=c²
225+400=625
the square root of 625 is 25
The equation y−4=−1/4(x−5) is in the form of y=mx+b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.