A random phenomenon results in a number in the range of 1 to 5. All values in the range are equally likely, so the density curve is flat, as shown below. What must y be such that the probability of a number between 1 and y is 25%

Q: 10. A community researcher measured the correlation between the average cost of housing and the…

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A: here make table for each stock and calculate expected return and risk (standard deviation or…

Q: Find the probability that Rebecca's fish are: (i) both the same sex (ii) both female (iii) both…

A: i) If the both fish are to be same sex then both can be male or female: (715*614)+(815*714)…

Q: The following are the number of cars sold per day at ABC Motor corporation during the past 500…

A: Using formula for probability is :- probability, P(X)= frequency total frequency And ,     Mean =…

Q: accompanying table. Complete parts a through c below. Ouserved (wice. in these observations are…

A: As the student wants solutions for band c, So,  submit those only.

Q: The table lists the drinking habits of getting someone who is a man or a non-drinker. Round your…

A: Given  Information Sex Non- Drinker Regular drinker Heavy drinker Total Man 135 56 5 196…

Q: Question 3 Given a regular deck of cards without jokers. What is the probability of getting a red…

A: We have given, A deck has 52 playing cards (without considering a jocker card). The deck has four…

Q: You roll two six-sided dice numbered from one through six. What is the probability that the maximum…

A: Given that Two six sided dice are roll. Sample space=S={(1,1), (1,2), (1,3), (1,4), (1,5), (1,6),…

Q: We have the following probability table for the random variable X. X 10 15 20 25 P(X=x) 0.4 a 0.1…

A: We have given the following table X 10 15 20 25 P(X=x) 0.4 a 0.1 0.2

Q: A survey showed that 80% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: P(need correction) = p = 0.80Sample size (n) = 20X = No. of adults need correctionP(No more than 1…

Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: f(x,y)   y=1   y=2    y=3   Total    x=1    0.1 0.05 0.02 0.17      x=2    0.1 0.35…

Q: María Victoria measured the outcomes of throwing a cone 20 times. The results are provided in the…

A: A is the event associated with a sample space in which n equally likely outcomes present. If n(A) is…

Q: The speed of internet Mb/sec is assumed to be uniform between 20 Mb/sec and 80 Mb/sec in some…

A: Let X is the speed of internet. X~Uniforma=20,b=80

Q: Based on a​ poll, among adults who regret getting​ tattoos, 14​% say that they were too young when…

A: Let X be the number of adults too young to get tattoos with probability p=14%=0.14 Sample of size…

Q: Three coins are tossed. X is the random variable denotes the number of heads. Find the probability…

A: The given information is three coins are tossed. The random variable X denotes the number of heads.

Q: The standard deviation of the lifespan of a certain brand of LED light bulbs Is 20 months. The…

A: We have given that. 1) X~N( μ , ?^2 )   μ =147 , ? =20 , n=70   Z-score =( x - μ )/?

Q: A certain disease has an incident rate of .1%. If the negative rate is 5% and the flase positive…

A: Given: An incident rate of 0.1% negative rate is 5% positive rate is 4%  compute the probability…

Q: please ask a and

A: a)PX is even∪X≥7=PX=2+PX=4+PX=6=f2+f4+f6=0.25+0.1+0.1=0.45   Therefore, the probability that X is…

Q: Information on a packet of seeds claims that the germination rate is 91%. The manufacturer needs to…

A: given data   p = 0.91 n = 230 P(p^>0.92) = ?

Q: The first is 6 sided (X=1,2,3,4,5,6) and the second is 4 sided (Y=1,2,3,4). a. Determine the…

A:

Q: (b) Find the mean and standard deviation of this probability distribution. What is the expected…

A: It is given that n = 6 and p = 0.70.

Q: You however were granted custody of your prized D6 - as you like to rolling a given number is…

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Q: Suppose an Insurance company reports that approximately 65% of all automobile damage liability…

A: Answer Given p =65%    = 65/100   =0.65________________________________A random sample of six…

Q: 2 - Word P Search (Alt+Q) Mailings Review View Help E - E - E- 。 T AaBbCcDd AaBbCcDd AaBbC AABBCCC…

A:

Q: Three coins are tossed. X is the random variable denotes the umber of heads. Find the probability…

A: Considering three coins are tossed, with the outcomes of interest H for "Head" and T for "Tail", the…

Q: occurs? (d) If a car accident has not happened in 3 hours, what is the probability it will happen in…

A: One car accident in 60 mile road occuring in 60 minutes . Car accidents are independent Two…

Q: Find the Z score for the probability 0.2061. Ans: 0.2061

A:

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: the table below is the information about integrated circuit (IC) failure based on  chip…

A: In this case, Event A represents level of confirmation, event B represents level of contamination,…

Q: he lQ scores of a large group of students are approximately normally distributed. What is the…

A: Given Normal Distribution

Q: 13. 14% of the vehicles driven on a bridge are SUVS. Richard, a toll collector, counts the number of…

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Q: Consider the probability mass function below: x2 – 1 f(x) = ; x = 1,2,3,4 or 5 k ; otherwise a.…

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Q: Answer the Following Question Probability of rolling a 11 or 12 when given two dice.

A:

Q: The probability that a lightbulb is defective is 0.1 (meaning "good" is 0.9). 1. What is the…

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Q: nswer the Following Question   Probability of rolling an off number when a die is tossed

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Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given data is f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03…

Q: According to a poll of adults, about 44% work during their summer vacation. Assume that the true…

A: From the provided information, The proportion of all adults that work during summer vacation is p =…

Q: Find the probability of the indicated event if P(E)= 0.25 and P(F) = 0.35. Find P(E or F) if P(E and…

A: Addition rule will applied here

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given :   Restaurant     A B C D Total Order Accurate 335 260 231 141 967 Order Not…