A coin is tossed 420 times. Use the normal curve approximation to find the probability of obtaining a.between 185 and 210 heads inclusive b.fewer than 176 or more than 227 heads c. exactly 205 heads
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A coin is tossed 420 times. Use the normal curve approximation to find the
a.between 185 and 210 heads inclusive
b.fewer than 176 or more than 227 heads
c. exactly 205 heads
Step by step
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- Determine whether the random variable x is discrete or continuous. Explain. Let x represent the distance a baseball travels in the air after being hit. Choose the correct answer below. O A. The random variable is discrete, because it has an uncountable number of possible outcomes. O B. The random variable is continuous, because it has an uncountable number of possible outcomes. O C. The random variable ks discrete, because it has a countable number of possible outcomes. D. The random variable is continuous, because it has a countable number of possible outcomes.L An elevator sign says that it can hold 30 people or 4800 lb. Suppose that the weight of a randomly chosen person is a random variable with mean 150 lb and standard deviation 20 lb. Find the approximate probability that the total weight of 30 randomly chosen people is greater than 4800 lb.Decide whether the random variable x is discrete or continuous. x represents the length of time it takes to get to work. ... Is the random variable x discrete or continuous? Choose the correct answer below. O Continuous O Discrete
- Kindly answer items 4, 5 and 6. Please choose the correct option. Thank you.Consider the random variable L, the length of time it takes to hear a case in a small claims court. Assume that the probability function for L is a constant, c, over the interval 20 to 120 minutes. a. Find the probability that it will take more than an hour to hear a case. b. Find the probability that it will take exactly 1 hour to hear a case.Q3: A. A scales representative who visits customers at home Finds she sells according to the following frequency distribution? Items frequency 1 10 3 2 4 Find the probability that she sells the following? a. Exactly one item. b. More than two items. At least one item. с. d. At most three items.
- 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 height of a randomly selected giraffe c. The eye color of people on commercial aircraft flights d. The number of free-throw attempts before the first shot is made e. The amount of rain in City B during April f. The number of hits to a website in a day 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? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable. b. Is the height of a randomly selected giraffe a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable c. Is the eye color of people on commercial aircraft flights a discrete random…4. solve allPlease do this typewritten only. I will upvote. Thank you. USE HYPERGEOMETRIC PROBABILITY DISTRIBUTION.
- Classify the random variable X as discrete or continuous. Explain your reasoning. X represents the number of Blu-ray TM discs you own. A. Discrete; the number of discs is countable. B. Continuous; the number of discs could be any number greater than or equal to 0. C. Continuous; the number of discs is countable. D. Discrete; the number of discs could be any number greater than or equal to 0.Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D C 247 Order Accurate 134 Order Not Accurate 34 14 If one order is selected, find the probability of getting food that is not from Restaurant A. A 330 40 B 280 59 The probability of getting food that is not from Restaurant A is (Round to three 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…
