The manufacturer of the XJ35 battery claims the mean life of the battery is 500 days with a standard deviation of 25 days. A government watchdog agency randomly selects 50 of the batteries and tests them for compliance. What is the probability the mean life of these batteries is less than 490 days?

Q: The grades of a class of 9 students on a midterm report (r) and on the final examination (v) are 55…

A: Given Information: Below are the grades of class 9 students on a midterm report and on the final…

Q: Use the probability distribution for the random variable x to answer the question. Find p(4). 0 p(x)…

A: Given that  Probability mass function of X is given in the question  Find p(4)

Q: Determine whether or not distribution represent a probability distribution then explain why

A: The conditions of valid probability distribution are- 0≤p≤1 ∑p=1

Q: Please discuss the main ways to determine probability

A: It is needed to discuss different ways of determining the probability.

Q: In a game of cards, your opponent offers to give P40 if you draw an ace and P20 if you draw a face…

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A: We have to find next term.

Q: Determine whether or not distribution represent a probability distribution then explain why.

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A: Probability: From the given information,   X over bar Probability 40 40/297.5=0.1345…

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A: Given Information: Proportion of orders for raw material arriving late is p=0.6. Sample size n=10 If…

Q: Hi Please write a simple report on Joint Probability Distribution, 5 or 6 points, typing and not…

A: Joint probability distribution is the corresponding probability distribution on all possible pairs…

Q: Can you please explain how you use the binomial probability formula in statistics with examples?

A: The binomial distribution is the generalization of the Bernoulli distribution. The Bernoulli…

Q: The following contingency table summarizes the drug test results for 401 test-takers: Positive…

A: Given problem Given that   For a randomly selected test administration, We have to find the…

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A: Two dice thrown, then sample space  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4)…

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A: Let us first understand how does two events are independent in probability. Two events are…

Q: 9. Which formula gives the probability distribution shown by the table? 6. P(X) 1/2 1/3 1/6 A. P(X)…

A:

Q: nfamilies with five children, find the mean number of children who will be girls. Show the…

A: Given: there are 5 children in family

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A: Note: Hi there! Thank you for posting the question. As you have asked for more than 1 solution, as…

Q: If two dice are rolled, find the probability that neither die shows a 5 on it. Probability

A:

Q: Apply the concept of probability distribution and show your complete solution

A: Given: Year Salary 1996 1659126 1997 1865130 1998 2072715 1999 13870559 2000 15050629…

Q: give some example of probability

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A: We have given that  Mean=12   Standard deviation=5 X~Normal(mean=12 , standard deviation=5)

Q: Where is probability used?

A:

Q: If two dice are rolled , find the probability that neither die shows a 2 on it . probability =

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Q: A project conducted by the Australian Federal Office of Road Safety asked people many questions…

A: Given table of reasons for choosing a car: Total reasons for choosing a car is 84+62+46+34+47+27 =…

Q: P(A₁) = 0.22 P(A₂) = 0.25 P(A3) = 0.28 PLA, NA₂) = 0.14 P/A, NA3 ) = 0.05 P(A₂ MA3) = 0,06 P(A₁ ^ A₂…

A: Solution

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A: a. Consider a data set for sales of a company and the corresponding prices of the product. Here,…

Q: Groups of adults are randomly selected and arranged in groups of three. The random variable x is the…

A: Given,x      P(x)0        0.3591        0.4382        0.1783        0.025

Q: curve that lies a. to the left of z = -1.39 b. to the right of z = 1.96 c. between z =-2.16 and z…

A: We have given that. Standard normal    X~N( μ =0 , ?= 1 )   μ =0 , ? = 1    Z-score =( x - μ )/?…

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

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