Suppose X is a normally distributed random variable with mean = 18 and standard deviation = 6. Find the following probability. A) P(X<19) (Round to four decimal places as needed) CS Scanned with CamScanner I
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- pleaseee sir solve question 24What is the probability of sampling a score of X = 55 or greater from a population with μ = 50 and σ = 15?The population mean and standard deviation of a normally distributed random variable is 3.5 and 2.12 respectively. Find the z score for x = 4.1? Round answer to 2 decimals
- 3 For a given biased coin, the probability that the outcome of a toss is a head is 0.4. This coin is tossed 1,000 times. Let X denote the random variable whose value is the number of times that head appeared in these 1,000 tosses. The standard deviation of X (rounded to 2 decimal places) isWhat is the probability of selecting a veteran that lives in your city given they live in your states? State population: 28,995,881 City population: 978,908 Veteran population: 36,094 Country population: 328,239,523A person's blood glucose level and diabetes are closely related. Let x be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. Suppose that after a 12-hour fast, the random variable x will have a distribution that is approximately normal with mean u = 89 and standard deviation o = 27. Note: After 50 years of age, both the mean and standard deviation tend to increase. For an adult (under 50) after a 12-hour fast, find the following probabilities. (Round your answers to four decimal places.) n USE SALT (a) x is more than 60 (b) x is less than 110 (c) x is between 60 and 110 (d) x is greater than 125 (borderline diabetes starts at 125) Need Help? Watch It Read It
- please solve question 11A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops has been drawn from this factory. Suppose, the population distribution has a mean assembly time of 25 minutes and standard deviation 6 minutes. What is the probability that a sample mean is 26 minutes? Select one: O'O E b. =P(Z>1) C. =P(Z=o) d. =P(Z<1) e. None of the others ge Next pageAssume that the mean length of a toothpick is mu = 6 cm , with a stand deviation of sigma = 0.14 cm . 1. If we were to select one toothpick at random, what is the probability that it is longer than 6.004 cm? 2. if we weee to select a Random sample of 45 tooth picks, what is the probability that the sample mean is longer than 6.004 cm?