There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from the box, what is the probability that at least three iphones will be picked from the box? (Input answer in 4 decimal places) type your answer...

Q: Given X~ N(20,16), find c. P( 19 < X<23) (4 decimal place)

A: X~N(20,16) Mean(μ)=20 Variance(σ2)=16 standard deviation(σ)=16=4

Q: Assume that the amount of time, in hours, that college students spend per week on homework is…

A: μ=15σ=3 n=75

Q: In a large bag of marbles, there are 20 red, 15 blue, and 10 green marbles. If three marbles are…

A: From the provided information, In a large bag of marbles, there are 20 red, 15 blue, and 10 green…

Q: An ice cream parlor offers 24 different flavors of ice cream. One of its items is a bowl consisting…

A: We have given that there are 3 scoops of ice cream in one bowl where each flavor is different.There…

Q: How do I find the probability here?  At a mini-golf course, 20 friends each take 5 shots to try and…

A: Here the given table is  So, The total frequency= 2+6+5+4+2+1=20 We know that, To find the…

Q: You are to model the daytime temperature of the Mojave desert during the summer time. Temperatures…

A: Let X be the temperature during the desert day. From the given information, X follows normal…

Q: Assuming constant failure rate, calculate the MTTF (in hours) of this solenoid). b) What is the…

A:

Q: average weight of 4.55 grams. A researcher wonders if hummingbirds (of this same type) living in the…

A: a) Population mean μ =4.55 b) Population mean μ =115 c) Population mean μ =69

Q: Suppose two events A and B are independent, with P(A) = 0 and P(B) = 0. By working through the…

A: P(A) ≠ 0 P(B) ≠ 0

Q: You are interested in determining which of two brands of light bulbs, brand A and brand B, lasts…

A: The objective of the study is to determine which brand among brand A and brand B lasts longer under…

Q: A box contains 3 blue dice and 2 orange dice, a second box contains 2 blue dice and 5 orange dice,…

A: Given; first box contains  3 blue dice and 2 orange dice. second box contains 2 blue dice and 5…

Q: Find the area above 65 for a normal distribution with mean 61 and standard deviation 10? Round to…

A: Answer:- Given, Mean, µ = 61 Standard deviation, σ = 10  Using formula,  Z-score = (X-µ)/σ ; Where X…

Q: A random experiment consists of selecting an integer from 1 through denotes the event that the…

A:

Q: • px,y,z(x, y, z) = PY(y) PZ|Y (2 | y) PX|Y,z(x | y, z) • px,y|z(x, y | z) = px (x) py|z(y | 2) •…

A:

Q: , determine P(AB).

A: Here given  P(A) =  1/2 P(A - B) = 1/3

Q: Suppose you take a random sample of size 64 from an exponential distribution with mean 2. Estimate…

A:

Q: A fitness center is interested in finding a 98% interval for the mean number of days per week that…

A: Sample size(n)=239 sample mean(x¯)=3.2 Standard deviation(s)=1.6

Q: Do people cheat or lie when the cheating or lying is not easy to identify (such as filing of taxes)?…

A: It is required to find the expected proportional distribution of the outcomes of the first roll of…

Q: For this study, we should use     The null and alternative hypotheses would be:       �0:…

A: as per guidelines i have calculated 3 subparts , plz repost for remaining with note i need this this…

Q: You and your friend carpool to school. Your friend has promised that he will come pick you up at…

A: Answer:- Given, The amount of time he is late (X in minutes) is a continuous Uniform random variable…

Q: C₁=-47³1-37²² +127²7²-67¹. Problem 3.44. Consider the probability density given by (2a)-¹ for x≤ a…

A:

Q: 1.The PDF of an exponential distribution is given by f(x, A)= A e^(- Ax), if x20 and 0 elsewhere.…

A: To verify that the given function f(x, A) is a probability density function (PDF) for an exponential…

Q: Example 7: A single die is rolled, what is the probability of getting a number less than 7?

A: According to the given information in this question We need to find the following probability

Q: The length of a time required to complete a collage achievement test is found to be normally…

A: let X be the length of time required to complete a college achievement test follow normal…

Q: A group of 650 tourists includes 248 who have visited Germany, 115 who have visited Holland, and 319…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issues, we have used the…

Q: Can you please show all work with an explanation of how to solve binomial distribution?

A: to find the expected number of friends who get the same prize as you in a group of 10 people playing…

Q: a bag with marbles, 3 blue marbles, 2 red marbles, and 5 green marbles. Three marbles are drawn in…

A: It is given that,  A Marbles contain  3 blue marble  2 red marbles 5 green marbles Thus, total no.…

Q: A telemarketer is paid $10 for each sale she makes. The probability that any call she makes results…

A:

Q: Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to…

A: Given that 10 independent tosses of a biased coin with the probability of Heads at each toss is p.…

Q: Fill in the blanks using the named events. 40% of those who have a Mac now (M) will purchase a Mac…

A: 40% of those who have a Mac now (M) will purchase a Mac next time (X), whereas 20% of those who do…

Q: Of the 39 play attributed to a playwright, 10 are comedies , 15 are tragedies, and14 are histories.…

A: Total plays 39 10 are comedies , 15 are tragedies, 14 are histories.

Q: Poker Calculate the probability of being dealt the following poker hand. (Recall that a poker player…

A: It is required to find the probability of choosing a three of a kind poker hand, that is, a hand…

Q: real numbers that are uniformly distributed between 0 and 100. Find the probability that a random…

A: Suppose that a random number generator produces real numbers that are uniformly distributed between…

Q: Ten percent of the engines manufactured on an assembly line are defective. Suppose engines are…

A:

Q: There are thirteen (13) teams participating in a general knowledge competition. What is the…

A: Total teams participating in competition=13

Q: What is the probability that at least one of the next four cars that enter the lot is a minivan? A.…

A: 16 ) Answer:- According to the given information,  Here, 3 represent minivans.  And from the given…

Q: Your friend Blaise really likes rolling a fair die over and over again until he gets a 6. (As we…

A: Let X denotes the number of rolls this takes from Geometric distribution (1/6) X~Geom(1/6) We have…

Q: A survey showed that 34% of human resource professionals are at companies that rejected job…

A: Let X be a random variable which denotes the number of job candidates that were rejected out of the…

Q: A pet store owner wants to know if a new commercial will bring in more people than the old one. Out…

A: Total number of viewers=500 250 watch new commercial 250 watch old commercial

Q: D. What is the mean of the probability distribution E. What is the standard deviation of the…

A: We have to find d...Mean of the probability distribution e... Standard Deviation of distribution

Q: The "Dogs of the Dow" are the stocks listed on the Dow with the hig ten stocks of the "Dogs of the…

A: From the above given data the following solution is provided below:

Q: You flip a fair coin 4 times. What is the probability that exactly two of those land on Heads? 1/2…

A: Number of trials n=4 Probability of head p=1/2

Q: A cooler at a picnic contains 100 cans of soda covered by ice. There are 16 cans of cola, 46 cans of…

A: No.of cola cans=16 No.of orange soda cans=46 No.of ginger ale cans=20 No.of root beer cans=18 Total…

Q: A statistics practitioner took a random sample of 48 observations from a population whose standard…

A: sample size(n)=48 population standard deviation(σ)=25 Mean(x)=105

Q: The decimal answers in the box were wrong but the expected value of x was correct.

A: Given that a box contains 9 cameras and that 4 of them are defective P(defective) = p = 4/9  n = 2…

Q: 5. If you draw two cards from a standard deck of 52 cards without replacement, find: a. P(King…

A: Two cards are drawn from a standard deck of 52 cards, without replacement.

Q: Fill in the blanks using the named events. A? 30% of all lawyers who lost clients (L) were antitrust…

A: We have given that, 30% of all lawyers who lost clients L were antitrust lawyers A, whereas 10% of…

Q: A test has 20 multiple choice questions with three options of answer. There is ONE(1) correct…

A: sample size(n)=20 p=13                           (i.e., 1 correct option in 3 options)…

Q: Telephone calls to the national reservation center for motels were studied. A certain model defined…

A: It is given that X denotes the type-1 calls per hour and it follows Poisson distribution with…

Q: Papa's Italian Restaurant has collected data about customer sauce orders. It calculated that…

A: Papa's Italian Restaurant has collected data about customer sauce orders as follows:…