Mathematics, 18.04.2020 05:45 KiwiJelly2587
The distribution of random variable R has mean 10 and standard deviation 4. The distribution of random variable S has mean 7 and standard deviation 3. If R and S are independent, what are the mean and standard deviation of the distribution of R−S ? Mean 3 and standard deviation 1
A. Mean 3 and standard deviation 5
B. Mean 3 and standard deviation 7
C. Mean 17 and standard deviation 1
D. Mean 17 and standard deviation 5
Answers: 1
Mathematics, 21.06.2019 17:00
Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
Answers: 1
Mathematics, 21.06.2019 22:00
In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.
Answers: 1
Mathematics, 22.06.2019 02:30
Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?
Answers: 1
Mathematics, 22.06.2019 05:30
Tony has 7/8 of a candy bar he wants to split the bar into servings that are 3/10 of the bar how many servings can he make. step by step? ?
Answers: 2
The distribution of random variable R has mean 10 and standard deviation 4. The distribution of rand...
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