The U.S. national average door-to-doctor wait time for patients to se doctor is now 21.3 minutes. Suppose such wait times are normally distributed with a standard deviation of 6.7 minutes. Some patients have to wait much shorter than the mean to see the doctor. Based information, 10% of patients will have to wait less than how many minutes to see a doctor? Round your answer in one decimal place.

Q: A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: The reliability or the probability of working of the four machines is as follows: Machine…

Q: 4. In one of the biggest schools in Metro Manila, 80% of their high school students are known to…

A: Given: n= 15 Probability of success , P = 0.80 q = 1-p = 0.20 Formula used: P(Y= r) = nyPrqn-r Where…

Q: Q1) c- The probability of twice withdraw the same ball from a box contains 25 balls, 5 balls are…

A: Given that ,  A box contain 25 balls . Out of this, 5 are white balls , 7 are blue balls and 9 are…

Q: choose a number from the set {1, 2, 3, ..., 100} uniformly at random and denote this number by X.…

A: Given: 1, 2, 3, .........100 are there in a set. A number X is selected from above set. Independent…

Q: The probability a chip is manufactured to an acceptable standard is 0.87. A sample of six chips is…

A:

Q: nuclear power station is to b possible sites. A team of eng commissioned to examine th

A:

Q: scheme of random number generator is described as follows. First, one generates a normal random…

A: Given: Let us consider the given data, Parameter, p=0.25 Determine  a) Chebyshev's inequality b)…

Q: Given A and B in Ω with p(A)=0.45, p(B)=0.75 and p(B-A)=0.5, calculate p(B|AUB)

A:

Q: per time Q7] Suppose that in a production of spark plugs the fraction of defective plugs has been…

A: Given data  P(defective) = p = 0.02 so p(no defective ) = 1-0.02 = 0.98  Inspect two products.  We…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: For a  standard normal distribution, Mean = 0 and standard deviation = 1

Q: 7. (单选题 3.0分) How many permutations of 3 different digits are, chosen from the ten digits 0 to 9…

A: The permutation and combination are a counting principle method utilized in a range of settings.…

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 6.9;3 .a O 2.414 :3 .b O…

A: Mean and sd are calculated using respective formulas.

Q: a) What is the probability X is exactly 5? b) What is the probability that X is no more than 10? c)…

A: Here  per Guidelines i have calculated 3 subparts plz repost remaining parts with note i need this…

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: From the provided information, Sample size (n) = 10 The probability that a machine has a lifespan of…

Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5 and…

A: The variable x denotes the random variable.

Q: Given the following data set, let x be the explanatory variable and y be the response variable.…

A: Given data : sr.no X Y 1 6 4 2 1 9 3 3 8 4 7 3 5 5 5 6 2 8 7 3 7

Q: (1) (11) Show all the possible outcomes with a tree diagram. Find the probability that two heads and…

A: Here given three coins are Thown And take head = H tail = T  P(H) = 1/3 P(T) = 2/ 3

Q: please xplain why you have 7 class intervals, but have only shown 6 on ths histogram. Whould the…

A: For the given data the frequency distribution  is Class Count 4.3-4.4 1 4.4-4.5 2 4.5-4.6 4…

Q: A flu shot is administered during flu season. We look at the effect of the shot on individuals who…

A: 1)Givensample size(n)=100Mean(x)=4standard deviation(s)=1confidence level=95%

Q: The water content of soil from a borrow site is normally distributed with a mean of μ = 14.2% and…

A: Given data: Mean = 14.2 % Population standard deviation  = 2 3%

Q: the number of combinations of 10 distinct objects taken six at a time = the number of combinations…

A: Coimbation is the measure used to determine the number of possible arrangement of data. It does not…

Q: Ship collisions in the Houston Ship Channel are rare. Suppose of collisions are Poisson distributed,…

A:

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k,2k*k,…

A: Given Information: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1) Required: To find the…

Q: A source produces dots. And dashes - with .P(dot)=0.65. Find the entropy 0.97370 .a O 0.934 .b O…

A: Entropy is used to measure the similar value of the sample size. Entropy is will be zero when they…

Q: 1. What is the probability of getting the number 5 when a fair die is thrown? A. 0 B. 1/6 C. 1/2 D.…

A:

Q: A and B are two events such that P(A) = = 0.4 and P(AB) = 0.2 Then P(An B) is equal to a. 0.4 b. 0.6…

A: Given : P(A) = 0.4 and P(A n B) = 0.2

Q: a. What is the probability that all the three grade 11 students are included? b. What is the…

A: here given  there are total 10 students in group  and of them 3 students are grade 11 students  5…

Q: a. The standard deviation is 2.4. Find and interpret the range. b. The quartiles are Q1-0, median=0,…

A:

Q: O Let assume three times tosses of an unfair coin as random experiment with μ = 2/3 (probability of…

A:

Q: Suppose 5 men out of 100 men and 10 women out of 250 women are colour blind, then find the total…

A:

Q: Compute the expected value for X.

A: here  given  joint distribution of X and Y  here E(X) = ∑X.p(X)

Q: Solve the following problem step by step please A newspaper does a survey of reading preferences…

A: 330=150(survey)+120(read electronic)+50(Physical)+10(do not read any format)

Q: If the probability distribution of a continuous random variable that has values between y = 1 and 3…

A:

Q: A bag contains 100 tickets numbered 1,2....,100. If one ticket is picked at random, the probability…

A: Given : Total number of tickets =100 We need to find the probability that the number chosen is…

Q: Why can decreasing the probability of a type I error cause an increase in the probability of a type…

A:

Q: 5. M = 3₁ 0² = 9₁ P/²6 < X < 12) a. Determine Plμ -ko < X < µ + ko ) 2 1 - 1 / / / k²

A: P(-6&lt;X&lt;12)=P(-6-33&lt;X-μσ&lt;12-33)=P(-3&lt;Z&lt;3)=P(-3&lt;Z&lt;0)+P(0&lt;Z&lt;3)=0.4987+0.4…

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 6.9 ;3 .a O 2.414 :3 .b…

A: Mean is the measure of central tendency. It is the most used measure and it greatly affected by th…

Q: e final exams were as in the follow . Therefore, the grade of the stud

A: Subject A B C D E F G H Score 57 76 78 84 53 72 65 91 Unit 5 5 5 4 4 3 3 2   The given…

Q: (a) If the absolute measurement error within 0.5 millimeters is acceptable, what is the probability…

A: here given ,  A test instrument needs to be calibrated periodically to prevent measurement errors.…

Q: (1) Find the two-step transition matrix

A: here given Markov chain has the transition matrix  0.40.10.50.30.70100

Q: A random variable, z, has p.d.f. f (z) = e¯², 0 =< Z < 1. Calculate the expected value of z. a. 1 b.…

A: A random variable, z, has p.d.f. f (z) = e², 0 &lt; Z &lt; 1.

Q: The probability of finding a significant result if the hypothesis is true is called statistical…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: the number of combinations of 10 distinct objects taken six at a time = the number of combinations…

A: here use given statement and concept of combination

Q: Assume that in a certain company of Muscat the probability of a certain item being defective is…

A:

Q: In probability theory, rolling a die is considered to be an experiment. What is the term that…

A: The die is rolled and die shows the number 2.

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total Male…

A:

Q: Suppose you roll two five-sided dice (each with sides labeled 1 through 5).  What is the probability…

A: The sample space for two five-sided dice is : S= {(1,1)(1,2)(1,3)(1,4)(1,5)…

Q: probability that there will 10 log-ons over a 48 minute period? What is the probability that at…

A: here given , in large corporate  computer network ,  there are an average of 27 log-ons per hour  λ…

Q: M&M sweets are of varying colours and the different colours occur in different proportions. The…

A:

Q: If the average number of rodents in a cotton farm whose swabs are 20 dunums is 2 per dunum,…

A: poisson distribution is given by