Mathematics, 27.11.2019 21:31, rhaquan66766

Two groups of students (80 each) are selected randomly from a department. they are asked to test the ph value of a compound. x and y are the random variables that represent the results from the 2 groups. they are independent and follows the same unknown distribution, with known expectations of 5 and variances of 0.3. 7gbt3whkcetlqmsuvork5cyii= and oaarmma+hnkp6bjru5erkjggg== are the means of results from the 2 groups, respectively. find the probability that the difference between the means of the 2 groups is not greater than 0.1.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:20, williamsgregg5214

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Answers: 3

continue

Mathematics, 21.06.2019 22:30, wednesdayA

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Answers: 1

continue

Mathematics, 21.06.2019 23:00, kedjenpierrelouis

Qrst is a parallelogram. determine the measure of ∠q pls

Answers: 2

continue

Mathematics, 21.06.2019 23:20, ruddymorales1123

Identify the function that contains the data in the following table: x -2 0 2 3 5 f(x) 5 3 1 2 4 possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1

Answers: 1

continue

Do you know the correct answer?

Two groups of students (80 each) are selected randomly from a department. they are asked to test the...