When treated with an antibiotic, 96% of all the dolphins are cured of an ear infection. If a group of 38 dolphins are treated with antibiotics, how many cured dolphins should be expected? The expected number of cured dolphins is (Round to two decimal places as needed.)

Q: Based on a poll, 50% of adults believe in reincarnation. ASsume that 4 adults are randomly selected,…

A:

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 5 adults are randomly selected,…

A: Given that  p=60%=0.60 , q=1-p=1-0.60=0.40 n=5 X~Binomial(n=5,p=0.60) Find P(x=4)

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: Given that the table summarizes results from pedestrian deaths that were caused by automobile…

Q: Based on a​ poll, 60​%of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Let us consider believing in reincarnation as success. Then, p=p(Success)=0.6. Let X be the number…

Q: A group of people were asked whether they owned a dog. The number of people that owned a dog was…

A: From the provided information, Sample size (n) = 490 + 464 = 954 The number of people that owned a…

Q: Based on a​ poll, 50% of adults believe in reincarnation. Assume that 8 adults are randomly​…

A: It is given that 50% of adults believe in reincarnation while 8 adults (n) are randomly selected.…

Q: In a population where 58% of voters prefer Candidate A, an organization conducts a poll of 99…

A:

Q: In a poll,  480 out of 1623 people said that they prefer chocolate ice cream to vanilla.   (a) What…

A: From the given information, out of 1,623 persons 480 were responded that they prefer chocolate ice…

Q: An individual component has a 0.06 probability of developing a fault. Calculate the probability that…

A:

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected,…

A:

Q: the probability that 50 randomly selected light cigarettes from this company will have a total…

A:

Q: There are on average 20 old growth Sitka Spruce trees per acre in a local forest. Find the…

A: GivenOn average 20 old growth sitka spruce trees per acrefor 14 acre, 5 old growth sitka spruce…

Q: Based on the first table, enter the value of b, the expected number of widowed women who live in the…

A: Given:       Widowed Divorced Separated No longer in a visiting relationship Total Location…

Q: A manufacturer estimates that 1.5% of his output of a small item is defective. Find the probability…

A: We have to find probability using exact bínomial distributaion.

Q: Based on a​ poll, 60​% of adults believe in reincarnation. Assume that 8 adults are randomly​…

A: The probability that exactly of the selected adults believe in reincarnation is,

Q: In a survey, 63% of Americans said they own an answering machine. If 17 Americans are selected at…

A: Hence, it follows binomial distribution.

Q: Can you help me with question D, please? I am not sure if I am correct.   (this is not graded; it is…

A:

Q: A die is loaded in such a way that the probability of each face turning up is proportional to the…

A: The probability of each face turning up is proportional to the number of dots on that face so, The…

Q: Based on a​ poll, 60​% of adults believe in reincarnation. Assume that 8 adults are randomly​…

A: a. Let X be the number of adults believe in reincarnation, hence, X follows binomial distribution (…

Q: In the game of Keno, if six spots are marked, the player wins if four or more of their spots are…

A: Given that there are total 6 marked spots. Each spot can be selected or not selected. So 2 options…

Q: The units without evidence of gas leaks or electrical failure showed other types of failure. If this…

A:

Q: If two different pedestrian deaths are randomly selected, find the probability that they both…

A: Yes No Total Yes 62 75 137 No 242 611 853 Total 304 686 990

Q: Based on a poll, 50% of adults believe in reincarnation. Assume that 7 adults are randomly selected,…

A: Given,n=7p=0.5A random variable X~Binomial(n=7  , p=0.5)P(X=x)=7x 0.5x1-0.57-x ;…

Q: Based on a​ poll, 40​% of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 6 adults are randomly selected,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 7 adults are randomly selected,…

A: Given that, Probability, p = 40% = 0.40 Sample size = 7

Q: 45% of the population has Type o blood.  Find the probability that exactly 6 people in a group of 10…

A: Obtain the probability that exactly 6 people in a group of 10 random people have Type o blood.   The…

Q: Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Given: Sample size (n) = 4 Probabilty of success (p) = 0.50 Probabilty of failure (q) =1-p=0.50 Let…

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 7 adults are randomly selected,…

A: Let x follows binomial distribution with parameters n = 7 and p = 0.60   The pdf of binomial…

Q: A spinner is divided into five colored sections that are not of equal size: red, blue, green,…

A: Given information: The frequency distribution of spinner results is given

Q: Based on a poll, among adults who regret getting tattoos, 12% say that they were too young when they…

A:

Q: When studying radioactive​ material, a nuclear engineer found that over 365​ days, 1,000,000…

A: The given problem follows a Poisson distribution                       f(x) = e-λλxx!; x=0, 1,2....…

Q: Based on a poll, among adults who regret getting tattoos, 25% say that they were too young when they…

A: Given, n = 9 p = 0.25 q = 1-0.25 = 0.75 Let X be adults that say that they were too young to get…

Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 8 adults are randomly selected,…

A: a. Let X be the number of adults believe in reincarnation which follows binomial probability…

Q: Find the probability that a randomly selected month had a PCE that falls below $550.

A:

Q: Based on a poll, 60% of adults believe in reincanation. Assume that 4 adults are randomly selected,…

A: Givenp=0.60n=4x~Binomial(n=4,p=0.60)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,...,n

Q: ults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d)…

A: X ~ Binomial (n , p)

Q: Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3,000…

A: Number of tickets sold = 3000

Q: A student takes a 20-question, true/false exam and guesses on each question. Find the probability of…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: A sample of 400 adults found that 82  have high blood pressure. However, 98 of those studied…

A: The total sample of adults is 400.

Q: Based on a​ poll, 60​% of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Let x follows binomial distribution with parameters n = 4 and p = 0.60   The pdf of binomial…

Q: A group of people were asked if life exists elsewhere in the galaxy. 247 responded "Yes", and 432…

A:

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected,…

A: Note:-Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: A group of people were asked if they had run a red light in the last year. 269 responded "yes", and…

A:

Q: Based on a poll, 50% of adults believe in reincamation. Assume that 5 adults are randomly selected,…

A: (a)   Obtain the probability that exactly 4 of the selected adults believe in reincarnation.   The…

Q: Suppose that 4% of a population carries antibodies to a virus. For a research project, you need 40…

A: Here we need to find the sample size such that the expected number of people with antibodies is 40.

Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 8 adults are randomly selected,…

A: Let "X" be the people who believe in reincarnation.

Q: A Web sile reported in 2018 that 415% of all Web traffic comes from laptops and desktops. Complete…

A:

Q: If 8 adults are randomly selected, the probability that exactly 2 of them do not require a vision…

A: here use binomial distribution Each trial is independent Finite number of trial There are two…

Q: pccur? probability that less than three network errors will occur is. und to four decimal places as…

A: