(c) Between January 1, 2009 and January 1, 2012 the S&P 500 increased on two consecutive market days 234 times out of a possible 755. Based on this information, what is the probability that the S&P 500 increases for two consecutive days? Round your answer to four decimal places. P(increases for two consecutive days) = 3099 What is the probability that the S&P 500 increases on a day, given that it increased the day before? Round your answer to four decimal places. .3131 P(increases on a day if increased the day before) = M Correct.

A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 12 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly 6 insects will die? Round your answer to four decimal places.

At a particular point in time, the stock market took big swings up and down. A survey of 1,004 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? Express your answer as a simplified fraction and as a decimal rounded to three decimal places. How frequently? Response Daily Weekly Monthly Couple times a year Don't track O A. О в. O C. O D. 288 1,004 271 1,004 137 1,004 240 1,004 0.287 0.270 0.136 ;0.239 240 288 271 137 68

An insurance company sells a $20,000, seven-year term life insurance policy to an individual for $1,700. Find the expected return for the company if the probability the individual will live for the next seven years is 0.92. (Round your answer to the nearest cent.)$