5,341 Answered Questions for the topic probability
03/24/21
STATISTICS HELP! 68, 95, 99.7 rule
Answer these 3 probability questions using the 68-95-99.7 rule. Draw, label, and shade a bell curve for each one.
About what percent of Nike shoe sales are ABOVE 6.5?
About what percent of Nike...
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Probability
03/23/21
Probability in math
1. Find the probability of getting 3 heads when tossing a die thrice.2. A coin is tossed once and a die is also rolled once. What is the probability of getting a head and the number 6?3. If a coin...
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Probability Geometry
03/22/21
In a group of 55 people, 33 are coffee drinkers and 12 are tea drinkers.
Assuming that no one in this group drinks both tea and coffee, what is the probability that a person picked at random from the group does not drink tea or coffee?A. B. C. D.
Probability Statistics
03/22/21
The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 53,7%.
What is the probability that in a random sample of 520 voters, less than 48,1% say they will vote for the incumbent?
Probability
03/20/21
maths entrance bmo
during an early morning drive to work ,Simon encountered 'n' sets of traffic lights each set being red , amber or green as he approached it .He noticed that consecutive lights were never the same...
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Probability
03/20/21
Find the Z score that separates the top 26% from the bottom 74% of the standard normal distribution
Draw the bell shaped curve, label,Showed the appropriate area, and ride the calculator function to find the answer
Probability
03/19/21
stathistics please help
In a university faculty members’ annual salary has a mean μ = $50,000 and standard deviation of σ = $3,000. What is the probability that the mean annual salary of a random sample of 25 faculty...
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Probability
03/19/21
Significantly low values are nothing beats per minute or lower. (Type an integer or a decimal. Do not round.) Significantly high values are nothing beats per minute or higher.
A certain group of test subjects had pulse rates with a mean of 74.6 beats per minute and a standard deviation of 10.5 beats per minute. Use the range rule of thumb to identify the limits...
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Probability Statistics
03/18/21
Probability of question
Music: What is the probability that the first 8 songs that are played on Kenneth’s playlist are country songs?Exercise PlaylistCountry: 8 songs Rock: 6 songs Rap: 4 songs
Probability Math
03/18/21
The chances of the winner being from country a, b, or c
This is probably a very simple question and I think I am thinking to far into it.There is a competition, there are 4 contestants left. 2 are from country A, 1 is from country B and 1 is from...
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03/18/21
1. When a production machine is properly calibrated, it requires an average of 26 seconds per unit produced...
1. When a production machine is properly calibrated, it requires an average of 26 seconds per unit produced, with a standard deviation of 3 seconds. For a simple random sample of n =...
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Probability Geometry
03/16/21
If the number of equally likely sample outcomes of a single stage of an experiment is 4, what is the total number of elements in the sample space if the experiment has 3 stages?
A. 16B. 12C. 64D. 81
Probability Geometry
03/16/21
Two 6-sided dice are rolled at the same time.
How many outcomes correspond to the event that the sum of the numbers is 5?A. 2B. 3C. 4D. 5
Probability Geometry
03/16/21
An experiment consists of tossing a coin and drawing a card, with the card-drawing stage dependent on the result of the coin toss.
If heads occurs, then a card is selected at random from the clubs and spades suits. If tails occurs, then a card is selected at random from the hearts and diamonds suits. What is the size of the...
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Probability Geometry
03/16/21
A fair coin is tossed 5 times in a row.
The exact probability of the coin landing heads exactly 2 times is ___.
Probability Finite Math
03/16/21
If P(G) = 0.42, P(H) = 0.59, and P(G ∩ H) = 0.13, find the following probabilities:
4. If P(G) = 0.42, P(H) = 0.59, and P(G ∩ H) = 0.13, find the following probabilities:(a) P(G ∪ H) =(b) (4 points) P(Gc ∪ Hc) =(c) P(Hc ∩ G) =d) P(Hc|G) =
Probability
03/16/21
Considering the Probability of the Series
As we know the probability of a series of events (independent) is p1 times p2 times Pn. Let's say that there are two gamblers and that they are both playing a game that requires guessing a number...
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Probability
03/16/21
Probability distribution
The arrival time of an elevator is equally likely at any time range during the next 4 minutes. a. Calculate the expected arrival time. b. What is the probability that an elevator arrives in less...
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Probability Probability In Math
03/16/21
Math Probability homework :(
hello! im an eight grade student and im having trouble with my online seatwork. Can someone help me?
License plates of automobiles consist of 3 letters of the English alphabet and a three-digit...
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03/15/21
Statistics probability
The average number of chocolate chips in one ounce is 57 with a standard deviation of 1.6. Find the probability that a randomly selected ounce of chocolate chips will contain between 54 and 59...
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03/15/21
Statistics mean
About 2% of the population has a particular genetic mutation. 100 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 100
03/14/21
Can you please solve this set/probability math?
Out of 500 candidates, 160 failed in Mathematics, 155 in Physics, 135 in English, and 55 in all three.
What is the probability of failing at least 2 subjects again if the failing candidate from the...
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Probability Algebra 2
03/14/21
Word Problem Probability
Jackson can strangely guess the height and weight of people. The probability that he correctly guesses a person's height is 2/3, and the probability that he can correctly guesses a person's weight...
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Probability Algebra 2
03/14/21
Word Problem Probability
In an island of 2,500 people, 800 people are over 60 years old and 850 people are female. It is known that 40 percent of the female are younger than 60 years old. If no one in the island is 60...
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