Mathematics, 25.12.2019 19:31 Cocco
The standard deviation of the lifetime of a particular brand of car battery is 4.3 months. a random sample of 10 of these batteries is taken. assuming that the lifetimes of all batteries of this brand are normally distributed, what is the probability that the mean lifetime for this sample is within 1 mouth of the mean lifetime for all batteries of this brand?
a. 0.019
b. 0.184
c. 0.519
d. 0.538
e. 0.769
Answers: 3
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
Mathematics, 21.06.2019 23:30
The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]
Answers: 1
Mathematics, 22.06.2019 00:10
Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10
Answers: 1
The standard deviation of the lifetime of a particular brand of car battery is 4.3 months. a random...
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