Consider Jhe ttau Itoman 4 2. White the Hamitorma out fu 3 puw hul e s...
ID03/2 hul the lune strength is due solely to the O 0.562 7.5 x 10-3 O 5.2 x 10-3 4.2 x 10-3 4. Magnesium fluoride (MgF2) is a sparingly soluble salt. It has Kp = 7.4x10-9. Calculate the concentration of fluoride ion in a saturated solution of MgF,. O 1.2 x 10-3 M O 2.5 x 10-3 O 7.4 x 10-9 O 6.3 x 10-5 5. Consider the reaction Sr(s) + FeOH(aq) + H2O + (aq) Sr2+ (aq) + Fe(s)...
There are 3 black and 4 white balls in a box. One ball is taken out at random. If it is black, then two white balls are put back in the box. If it is white, then one black ball is put back in the box. After that procedure another ball is taken out of the box. What is the probability that the first ball taken was white is the second ball taken was white?
4. *A box contains 3 white balls, 4 black balls, and 3 red balls. Consider selecting 3 balls at random (a) What is the probability that you pick exactly one of each color when you select 3 balls from the box? (b) What is the probability that you pick exactly 2 white balls and 1 red ball? (c) What is the probability that at least one of the balls is white when you select 3 balls from the box?
4. There is a region O in the plane whose area we wish to compute: JJ, dk dy. It turns out that if we let then in the new coordinates the region Q is described by osu s vand 2 sv s 3. Compute the area of Q. 4. There is a region O in the plane whose area we wish to compute: JJ, dk dy. It turns out that if we let then in the new coordinates the region...
3 4 Y 3 2 1 Consider thee equation Y' 5 |0- Find the solution with initial condition Y (0) 3 4 Y 3 2 1 Consider thee equation Y' 5 |0- Find the solution with initial condition Y (0)
For the matrix A-1-4-3 2 3) consider the set 2 S-b E Rb-Ax for some xE R The vector -4 E S since -4Ax where X- The vector -3 E Ssince -3 Ay where The vector 7 E S since -7 Az where
Probability question *A box contains 3 white balls, 4 black balls, and 3 red balls. Consider selecting 3 balls at random. (a) What is the probability that you pick exactly one of each color when you select 3 balls from the box? (b) What is the probability that you pick exactly 2 white balls and 1 red ball? (c) What is the probability that at least one of the balls is white when you select 3 balls from the box?
Consider the ODES: dy e* + e-* Question 10 Not yet answered Marked out of 1.000 Flag question LLLL 3) dx = vx. in which cases Euler's method overestimates the genuine solution in the interval 1 S x 52 with five steps? Select one: a. 3) b.2) and 5) c. 5) d. 3) and 4) e.4)
Consider this reaction: 4 Al(s) + 3 H (aq) - 2 A1,0, (s) We are combining and reacting 8 moles of Al(s) with 8 moles of H (aq). What are we left with after the reaction is completed? Select one: a. 4 moles of Al2O3(s) b. 4 moles of Al,O3(s), 2 moles of H" (aq) c. 4 moles of Al(s), 2 moles of Al(s) d. 2 moles of Al(s), 1 moles of H"(aq) The figure below shows the Lewis Dot...
3. There are 6 balls in a bag with 2 being white and 4 black. If one draws 18 balls from the bag with replacement, let y be the number of black balls drawn. • Identify the name of the probability distribution of Y. Find its expected value and variance • Use Tchebysheff's inequality to estimate an upper bound of the probability that Y 38 or Y 2 16.