Why should the sum of the probabilities in a probability distribution is always equal to 1? What is the shape of most probability distributions? Why do you think so?

Q: how to get probability?

A: Probability refers to the likelihood of chance of happening of a particular event. The value of…

Q: Give introduction to the Probability? what are the concepts of probability?

A: Introduction to probability: Probability is defined as the chance of an event which occurs between…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given data Probability of throwing away (p) = 0.2 No of grocery shoppers(n) = 100 Probability that…

Q: A certain insecticide kills 70%70% of all insects in laboratory experiments. A sample of 77 insects…

A: Step 1: State the given: number of favorable cases, x > 55 (more than 55 insects)probability of…

Q: You have just created a probability distribution - a table that shows all the possibilities for an…

A: You have just created a probability distribution - a table that shows all the possibilities for an…

Q: What do you mean by probability at a particular point is zero?

A: Here we have to answer the given question.

Q: certain insecticide kills 70% of all insects in laboratory experiments. A sample of 11 insects is…

A: Given that  q = 70% = 0.70 , p = 1 - q = 1 - 0.70 = 0.30 , n = 11 X ~ Binomial (n = 11 , p = 0.30) X…

Q: True or False In a probability model, the sum of allprobabilities is 1.

A: Given In a probability model, the sum of allprobabilities is 1.

Q: What is the probability that no Console will fail after more than 17,000 hours of use?

A:

Q: You will miss an important TV program while taking your statistics exam, so you set both your DVRs…

A: Given Data: P( First one records)=0.7 P( First one does not record)=1-0.7=0.3 P( Second one…

Q: Leave all probabilities as percentages. Define x on all problems with data. There is a 20% chance…

A: X be the employers check applicants Facebook and other social media sites following binomial…

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: new drug cures 65% of the patients who take it. If it is given to 14 patients, what is the…

A: We have to find out answer of given question....

Q: Empirical probabilities are deeply rooted in probability. essentially percentages based on a large…

A: Empirical probability or experimental probability is determined how often an event has been observed…

Q: What is the probability mean

A: our objective is to define probability

Q: The probability of an event is 12/27. What are the odds in favor of the event? What are the odds…

A: From the provided information, The probability of an event (p) = 12/27

Q: True or False In a probability model, all possible outcomes together must have a probability of 1.

A: The probability is the chance of the occurrence of an event. It is required to check whether the…

Q: In an experiment, the probability of getting the desired outcome is 0.62. What is the probability of…

A: The probability of getting the desired outcome is 0.62.

Q: Historical data indicates that Rickenbacker Airlines receives an average of 2 complaints per day.…

A:

Q: Can you help me understand this question and write it out? "32 cases of a disease are found over an…

A: Number of cases per 100 square miles = 32 Calculate the probability of finding the 4 cases within 8…

Q: A certain insecticide kills 50% of all insects in laboratory experiments. A sample of 7 insects is…

A: The objective of this question is to find the probability that exactly 4 out of 7 insects will…

Q: In an experiment, the probability of getting the desired outcome is 0.48. What is the probability of…

A: It is given that the probability of getting the desired outcome is 0.48 We have to calculate the…

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 6 insects is…

A: The objective of this question is to find the probability that exactly 2 out of 6 insects will…

Q: Using the table above with vaccination and disease status, what is the probability of an individual…

A: This table summarizes the results of a prospective study for a disease and a vaccine to prevent that…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: How to calculate the probability that 2 out of the 19 patients won't

A: Given that The probability that a patient does not recover from a certain stomach disease is 9.0%.…

Q: esearcher conducted a survey, and one of the questions asked whether "you lose your body heat…

A: Probability :  The chance that something will happen. How likely it is that some event will…

Q: Suppose a county's recent health report gives a pet allergy prevalence of 0.16 for kids. There is a…

A: Form the tree diagram, P(pet allergy status)=0.16Ppet allergy but test Negative=0.15P(No pet allergy…

Q: Geographers want to determine the probability that exactly 7 out of 10 tourists in New York they…

A: There are two possibilities of event 1. Either they will visit the statue. 2. Or they will not visit…

Q: what would happen to a probability function if 4-sided dice were used.

A: Explanation:If it is possible to have a 4-sided dice, then rolling the die would give one of the…

Q: USA Today reported that approximately 25% of all state prison inmates released on parole become…

A: μ = ∑xp(x)

Q: Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group…

A: According to the given information, we have Sample size, n = 8 Given that 24% of US adults favor an…

Q: The scientist claims that 8% of viruses are airborne if the scientist is accurate what is the…

A:

Q: What best describes the relationship between the calculated theoretical probability and the…

A: What best describes the relationship between the calculated theoretical probability and the…

Q: Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she…

A:

Q: After several thousand game over several years versus a computer opponent, your instructor has won…

A: Given data, p=66.4%=0.664 n=12 P(X=8)=?

Q: What is the probability of rolling two dice and having either a sum of 4 or having the same value on…

A: When we rolled pair dice. So total no. of possible outcomes will be 62 = 36. These are     […

Q: Diet Dr.Pepper is going old school and putting a "Free DP" notification under 10% of their 20-oz…

A: