I NEED THE ANSWERS ASAP! My assignment is timed. I DO NOT need an explanation, I only need the answers. Thank you I will give a good rating.

Question 1: Choose the correct answer shown below:

If there are initially 1500 bacteria in a culture, and the number of bacteria doubles each hour, the number / of bacteria after t hours can be found using the formula MV= 1500|2' |. About how long will it take the culture to grow to 25,000 bacteria? 11.75 hr Ob 2.44 hr 1.22 hr O d 4.06 hrIf P(A) = 0.44 and P(B | A) = 0.85, find P(A and B). O 0.15 0.52 O 0.37 O 0.48A poll of 100 senior citizens in a retirement community asked about the types of electronic communication they used. The table shows the joint and marginal frequencies from the poll results. If you are given that one of the people polled uses text messaging, what is the probability that the person is also using e-mail? Express your answer as a decimal. If necessary, round your answer to the nearest hundredth. Uses text messaging Yes No Total Yes 0. 18 0.69 0.87 Uses e - mail No 0. 1 0.03 0. 13 Total 0.28 0.72 1 O a 0.64 Ob 0.11 OC 0.79 Od 0.56If P(A) = 0.1997 what is PI . A O a 0.9003 0.8003 OO 0.0003 O 1.1997