1. A lab has 3 tanks of flatworms. tank 1 contains 7 flatworms all have genotype A, tank 2 has 6 flatworms all have genotype B), tank 3  has 8 flatworms all have has genotype C). How many ways can 5 flatworms be chosen in tank 1, How many ways can 3 flatworms be picked in tank 2 How many ways can 3 flatworms be chosen from tank 3?? Please explain 1.lab combines all tanks tp one. How many ways can 12 flatworms be selected from the one tank(the one there all put in)? Please explain   3. I2 flatworms are chosen randomly from the one tank, what is the likelihood  there will be exactly 5 flatworms with genotype A, 4 flatworms with genotype B, and 3 flatworms  with genotype C please explain

2) Describe a scenario involving pulling two consecutive cards from a deck that would be considered INDEPENDENT

You're a sociologist studying whether grocery prices are different in the inner cities than they are in the suburbs. To investigate this, you pick a random set of items (a basket of goods), and then send shoppers to buy these items at an inner city (IC) grocery, and also at a suburban (SU) grocery. You pick 30 different baskets of goods, so your secret shoppers buy 30 baskets, once at the inner city store, and once at a suburban store.The data is given in the dataset named "ICvSU_3095.xls", which you can find in data folder under Course Documents.  Prices could be higher in the inner city because of discrimination, or they could be higher in the suburbs because of the greater disposable income. Use Excel to test the research hypothesis that inner city prices are different than the suburb's prices. The null hypothesis is that inner city prices are equal to suburban prices. You test at the alpha = 0.05 significance level.  What do you conclude? Are prices the same? Who has higher prices?…

If two states are selected at random from a group of 10 states, determine the number of possible outcomes if the group of states are selected with replacement or without replacement. If the states are selected with replacement, there are possible outcomes.

7.) Several years ago, the US began running out of telephone numbers. Telephone companies introduced new area codes and numbers were used up, and eventually almost all area codes were used up. (a) Until recently, all area codes had a 0 or 1 as the middle digit, and the first digit could not be 0 or 1. How many such area codes are possible? (b) The actual number of area codes under this system was 152. What could be the cause of the discrepancy between this number and your answer to part (a)?

A country is divided into three regions: regions A, B, and C. It's found that each year, one tenth of the people in region A move to region B and 1 tenths of the people in region A move to region C. Similarly, 5 tenths of the people in region B move to region A and two tenths of the the people in region B move to region C. Finally, one tenth of the people in region C move to region A and 1 tenths of them move to region B. What percentage of the population lives in each of the three regions after a long period of time? % live in region A, % live in region B, and ☐ % live in region C, Hint: if you're trying to solve Ax: = and the matrix A has fractions that you wish weren't there, you can multiply both sides of the matrix equation by a well-chosen number to make the problem simpler. (Note: you may still get fractions when doing Gaussian elimination but that's a different situation.)

I need help on both questions. Thank you in advance!