Hi! Can you help me solve these probability density questions? Thank you!

7. [-/6.66 Points] DETAILS WANEFMAC6 P.2.029. MY NOTES Your company's new series "Avocado Comedy Hour" has been a complete flop, with viewership continuously declining at a rate of 26% per month. Use a suitable density function to calculate the probability that a randomly chosen viewer will be lost sometime in the next three months. (Round your answer to four decimal places.) 8. [-/6.66 Points] DETAILS WANEFMAC7 9.5.005. MY NOTES You may need to use the appropriate appendix table or technology to answer this question. Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(-0.8