Assume that the number of new visitors to a website in one hour is distributed as a Poisson random variable. The mean number of new visitors to the website is 2.2per hour. Complete parts​ (a) through​ (d) below.       Question content area bottom Part 1 a. What is the probability that in any given hour zero new visitors will arrive at the​ website?   The probability that zero new visitors will arrive is enter your response here. ​(Round to four decimal places as​ needed.) Part 2 b. What is the probability that in any given hour exactly one new visitor will arrive at the​ website?   The probability that exactly one new visitor will arrive is enter your response here. ​(Round to four decimal places as​ needed.) Part 3 c. What is the probability that in any given hour two or more new visitors will arrive at the​ website?   The probability that two or more new visitors will arrive is enter your response here. ​(Round to four decimal places as​ needed.) Part 4 d. What is the probability that in any given hour fewer than three new visitors will arrive at the​ website?   The probability that fewer than three new visitors will arrive is enter your response here.

Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 129.   Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING...       Question content area bottom Part 1 The probability that a randomly selected adult has an IQ less than 129 is  enter your response here. ​(Type an integer or decimal rounded to four decimal places as​ needed.)

Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. a. The time required to download a file from the Internet b. The number of fish caught during a fishing tournament c. The response to the survey question "Did you smoke in the last week?" d. The distance a baseball travels in the air after being hit e. The number of hits to a website in a day f. The time it takes for a light bulb to burn out a. Is the time required to download a file from the Internet a discrete random variable, a continuous random variable, or not a random variable? C O A. It is a continuous random variable. O B. It is a discrete random variable. O C. It is not a random variable. b. Is the number of fish caught during a fishing tournament discrete random variable, a continuous random variable, or not a random variable? O A. It is a continuous random variable. O B. It is a discrete random variable. O C. It is not a random variable c. Is the response to the…

K The following data represent the number of drivers involved in a fatal crash in 2016 in various light and weather conditions. Complete parts (a) through (c) below. Click the icon to view the data for fatal crashes in 2016. (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately. (Round to three decimal places as needed.) Data table Weather Daylight Dark, but Lighted 5875 497 51 54 255 Normal Rain Snow/Sleet Other Unknown 14,307 875 219 125 810 (...) Dark 8151 681 156 220 548 Dawn/Dusk Other 1183 87 40 71 65 8 2 9 133 X

This is a 3 part question please help!