In a bag of seeds 30% are tomato seeds. Use the normal approximation to the binomial to find the probability that in a sample of 400 seeds there are less than 118 tomato seeds. O 0.8025 0.6076 0.7012 0.3924
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- The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population is p=.17 and a sample of 800 households will be selected from the population. Use z-table. b. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion for a sample of 1,200 households?In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park 57 % of the time. Find the probability that among 6 guests surveyed exactly 4 guests like to stay at an overnight lodge in the park. P(x = 4) =The probability of a success is .45. If you have a sample of 13 people, what is the probability that 10 or more are successes? Use the binomial calculator and round to four decimal places.
- The mean height of women in a country (ages 20−29) is 64.4 inches. A random sample of 75 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume σ=2.77.According to Reader's Digest, 50% of primary care doctors think their patients receive unnecessary medical care. Use the z-table. a. Suppose a sample of 390 primary care doctors was taken. Show the sampling distribution of the proportion of the doctors who think their patients receive unnecessary medical care. E(p)= (to 2 decimals) (to 4 decimals) b. What is the probability that the sample proportion will be within +0.03 of the population proportion? Round your answer to four decimals. c. What is the probability that the sample proportion will be within 10.05 of the population proportion? Round your answer to four decimals. d. What would be the effect of taking a larger sample on the probabilities in parts (b) and (c)? Why? The probabilities would -Select your answer - This is because the increase in the sample size makes the standard error, ,- Select your answer - ✪The mean of childhood asthma prevalence in 43 cities is 2.32%. A random sample of 32 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.8% Interpret this probability. Assume that =1.36% The probability is-
- The table summarizes results from 984 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 60 86 No 252 586 If two different pedestrian deaths are randomly selected, find the probability that they both involved drivers that were intoxicated. Report the answer as a percent with two decimal places accuracy. (You need not enter the "%" symbol).Probability = %Twenty-six percent of couples who plan to marry this year are planning destination weddings. Assume the variable is binomial. In a random sample of 3 couples who plan to marry, find the probability of the following. Round intermediate calculations and final answers to three decimal places. Fewer than 3 couples will have a destination wedding. Thank you for your help.Suppose that X is a binomial random variable with n = 12 and p = 0.28. Find P 3 ). Write only a number as your answer. Round to 4 decimal places (for example 0.1849). Do not write as a percentage. Your Answer: Answer
- The table summarizes results from 977 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 64 67 No 225 621 If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not intoxicated or the driver was intoxicated.Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.prob = %Adult men's heights are normally distributed with m = 70 inches and s = 2.6 inches. What is the probability that a randomly selected man will have a height more than 77 inches? Excel Worksheet-1.xlsx Click to open: O.0035 O.0143 O .0559 O.1033 O something elseThe probability of randomly sampling a student on campus and finding that they are wearing a red shirt is .3. what is the probability of sampling 10 students and finding that exactly 4 are wearing red shirts in any order? Give your answer as 0.XX