Mathematics, 09.11.2021 21:10, joeblaszak4776

Consider the following probability density function of the random variable X. f(x) = 1
/10(2x + 3), 0 ≤ x ≤ k.
(i) Determine the value of the constant k. (3 marks)
(ii) Given that E(X) = 1.13, determine the standard deviation of X

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:02, Svetakotok

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Answers: 1

continue

Mathematics, 21.06.2019 18:00, mooreadrian412

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Answers: 2

continue

Mathematics, 21.06.2019 18:40, hansesk

Ten times the square of a non-zero number is eqaul to ninety times the number

Answers: 1

continue

Mathematics, 21.06.2019 19:00, adrianwoods1507

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Answers: 2

continue

Do you know the correct answer?

Consider the following probability density function of the random variable X. f(x) = 1
/10(2...