Why did joseph stalin block the city of berlin from getting supplies after wwii?

He wanted to make all of his people dependent on the communists Germany for their needs.

Basically cut off all contact with everyone but Germany and Russia so the citizens could only survive threw the government they hated

The 99% confidence interval estimate of the true population proportion of new drivers who were in a crash while using their cell phone is 0.0647 +/- 0.0330 = (0.0317, 0.0977)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

p+/-z√(p(1-p)/n)

Given that;

Proportion p = 24/371 = 0.0647

Number of samples n = 371

Confidence interval = 99%

z(at 99% confidence) = 2.58

Substituting the values we have;

0.0647 +/- 2.58√(0.0647(1-0.0647)/371)

0.0647 +/- 0.032950374780

0.0647 +/- 0.0330

(0.0317, 0.0977)

The 99% confidence interval estimate of the true population proportion of new drivers who were in a crash while using their cell phone is 0.0647 +/- 0.0330 = (0.0317, 0.0977)