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
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
Mathematics, 21.06.2019 21:00
Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24
Answers: 2
Mathematics, 21.06.2019 21:30
Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by
Answers: 1
Mathematics, 22.06.2019 02:30
The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation
Answers: 3
You know the right answer?
Two groups of students (80 each) are selected randomly from a department. they are asked to test the...
Questions
Biology, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
English, 07.07.2019 08:30
Biology, 07.07.2019 08:30
Arts, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
Mathematics, 07.07.2019 08:30
English, 07.07.2019 08:30
Geography, 07.07.2019 08:30
