P(Atleast 85)
= 1 - P(Less than 85)
= 1 - P(Less than or equal to 84)
= 1 - binom.dist(84, 542, 0.1807, True) [Excel Formula]
= 0.9353
Option 5 is correct.
Question 13 (1 point) Apple's market share in the smart phone market represents a proportion of...
Question 1 (1 point) Apple's market share in the smart phone market represents a proportion of 0.1974. If Apple conducts a survey nationwide of 512 smart phone users, what is the probability that greater than 83 of the people are Apple users? 1) 0.9764 2) 0.0029 3) 0.0058 4) 0.0236 5) 0.9822
Apple's market share in the smart phone market represents a proportion of 0.1935. If Apple conducts a survey nationwide of 522 smart phone users, what is the probability that no more than 93 of the people are Apple users?
Question 3 of 13 (1 point) A survey of 1050 U.S. adults found that 34% of people said that they would get no work done on Cyber Monday since they would spend all day shopping online. Find the 95% confidence interval of the true proportion. Round intermediate answers to at least five decimal places Round your final answers to three places ep
Question 13 (1 point) Firm A B Market Share (%) 40 30 20 5 C D 15 Refer to the data. The Herfindahl index for this industry is: O 95 0 1,000 O2,950 O2,925
Question 15 of 18 (1 point) Attempt 1 of Unlimited View question in a popup 7.3 Section Exercise 23 Volunteering: The General Social Survey asked 1305 people whether they performed any volunteer work during the past year. A total of 522 people said they did. Part: 0/3 Part 1 of 3 (a) Find a point estimate for the proportion of people who performed volunteer work during the past year. Round the answer to at least three decimal places. The point...
Question 15 of 30 (1 point) View problem in a pop-up 7.3 Section Exercise 27 Call me: A sociologist wants to construct a 98% confidence interval for the proportion of children aged 8-10 living in New York who own a cell phone Part 1 out of 3 A survey by the National Consumers League taken in 2012 estimated the nationwide proportion to be 0.28. Using this estimate, what sample size is needed so that the confidence interval will have a...
Question 27 (Mandatory) (1 point) Proper Trader lingo :-) $13 per share and at the $210 per share. Jack is getting ready to purchase 100 shares of GE same time he intends to sell 50 shares of Apple for; for at; at for; at at; for Question 24 (Mandatory) (1 point) Saved If you place a stop-loss order to sell 100 shares of stock at $55 when the current price is $62, how much will you receive for each share...
Previous Problem Problem List Next Problem (1 point) In 2012, the percentage of cell phone owners who used their cell phone to send or receive text messages was 80 %. A polling firm contacted a simple random sample of 1300 people chosen from the population of cell phone owners. If p is the proportion of cell phone owners the mean for p who used their phone to text, then what was 0.011 Submit Answers Preview My Answers You have attempted...
Question 13 (1 point) antibonding molecular orbital for a homonuclear Which drawing represents a diatomic molecule? A) B) D)
Previous 1 2 3 4 5 Next Question 1 of 5 (1 point) View problem in a pop-up 5.3 Section Exercise 7 A survey found that 20% of people believe that they have seen a UFO. Choose a sample of 15 people at random. Find the probability of the following. Round intermediate calculations and final answers to three decimal places. Part 1 out of 3 At least 3 people believe that they have seen a UFO P(at least 3 people...