X is a normally distributed random variable with mean 62 and standard deviation 13. What is the probability that X is between 36 and 88? Use the 0.68-0.95-0.997 rule and write your answer as a decimal.
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- Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Click the icon to view the data table. The mean is µ = girl(s). (Round to one decimal place as needed.) Table of numbers of girls and probabilities Number of Girls x P(x) 0.006 1 0.031 2 0.114 3 0.212 4 0.266 0.224 0.115 7 0.029 8. 0.003 Print DoneShow complete and clear (if it is hand writing) solution and also provide given and illustration if possible. Thank you. explain your answerThe weights of steers in a herd are distributed normally. The variance is 10,000 and the mean steer weight is 1100lbs. Find the probability that the weight of a randomly selected steer is between 919 and 1180lbs. Round your answer to four decimal places.
- The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 550 hours. Find the probability of a bulb lasting for at least 583 hours. Round your answer to four decimal placesAssume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard deviation o = 15. Find the probability that a randomly selected adult has an IQ less than 118. Click to view page 1 of the table Click to view page 2 of the table The probability that a randomly selected adult has an IQ less than 118 is (Type an integer or decimal rounded to four decimal places as needed.)Delta limited the Chief Administrative Manager analyzed the number of incoming faxes. Afteran analysis, the manager determined the probability distribution of the number of pages per fax as follows:x1234567P(x)0.050.120.20.30.150.10.08Required:Compute the mean and the variance of the number of pages per fax.
- K- The average number of acres burned by forest and range fres in a large county is 3,800 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal a Compute the probability that more than 4,000 acres will be burned in any year b. Determine the probability that fower than 3,000 acres will be burned in any year What is the probability that between 2,500 and 3,400 acres will be burned? d in those years when more than 4,500 acres are burned, help is needed from eastern region fire teams Determine the probability help will be needed in any year CREDFind the probability using the normal distribution. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places. P(2>-3.24)- X 5The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls. Click the icon to view the table. Use the range rule of thumb to identify a range of values that are not significant. The maximum value in this range is girls. (Round to one decimal place as needed.) - X Probability Distribution for x Number of Girls x 0 1 2 3 4 5 6 7 8 9 10 Print Get P(x) 0.002 0.013 0.044 0.115 0.208 0.234 0.201 0.115 0.043 0.019 0.006 Done k answer
- Find the maximum and minimum value. Based on the result, is 1 girl in 10 births a significantly low number of girls?Answer asapK 7 The probability that a bachelor's degree recipient in 2014 majored in biology is 20 Set-up an equation to find the odds of the event occurring. P(E) P (E') 20 20 (Type whole numbers.) .. 6 The odds of a bachelor's degree recipient in 2014 majoring in biology occurring are (Type whole numbers.) Find the odds of the event occurring. to
