What is the probability that Z is less than −0.28 or greater than the​ mean?

Q: . What is the probability that Y<1.5 given X=0?

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Q: Suppose that the number of bacteria in a pond of water has an average rate of 24 bacteria per 8…

A: Given that, there are 24 bacteria per 8 mm3  This means per 1 mm3 , there are 24/8=3 bacterias.…

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: z-score will be between 0.7 and 1.4

A: Z-Score: It is a numerical measurement that describes a value's relationship to the mean of a group…

Q: find the probability that the student was female OR received a grade of "A". (Leave answer to four…

A: There are totally 67 students, out of which there are 27 females, 28 grade A students, and 8…

Q: Find the probability that x is greater than 15.2 when the mean is μ = 15.2 and the standard…

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Q: It's estimated that only abe probability that only 10 pe

A: Introduction: The formula for the binomial distribution formula: P(x)=nxpxq(n-x)

Q: Let X be the number of times '4' is rolled out of a total of 8 rolls.  What is the probability that…

A:

Q: f the odds against winning on a scratch-off lottery ticket are 646:5, what is the probability of…

A: Given Odd against winning is 646:5  Let A be the event of getting winning scratch-off lottery ticket…

Q: What is the probability of a z-score less than -0.02?

A: It is given that z-score is less than –0.02.

Q: Suppose the sediment density of specimens from a certain region has mean 2.55 and standard deviation…

A: d. Let X denote the sediment of a randomly chosen specimen. X ~N(2.55,0.78)   The probability that…

Q: The probability is 0.314that the gestation period of a woman will exceed 9 months. In 4000 human…

A: Given, Probability p= 0.314 N= 4000 People exceed 9 months=?

Q: An engine encounters a standard environment with a probability of 0.95, and a severe environment…

A: Let M be the event representing an engine encounters a standard environment. Let N be the event…

Q: The probability that a glove will not crack in a smasso test is 0.70. What is the probability that…

A: The probability that a glove will not crack in a smasso test is 0.70. What is the probability that…

Q: The mean is µ = 60.0 and the standard deviation is Η = 4.0.Find the probability that X is less than…

A: Given datamean (µ) = 60.0 standard deviation (σ) = 4Assuming X follows normal…

Q: (d) Would it be unusual for a car to spend more than 3 minutes in the restaurant's drive-through?…

A: Given: Mean,μ=158.5sd, s=34

Q: 2. The probability of type II error is given by

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Q: The mean is μ=60.0 and the standard deviation is σ=4.0. Find the probability that X is less than…

A: From the provided information,

Q: What is the probability of getting a value less than z = 1.68?

A: Givenz=1.68

Q: ◆. Mammograms are 80% effective in detecting breast cancer. However, their false positive rate is…

A:

Q: The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of 100 packages is taken,…

A: In question, Given that The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of…

Q: Assume the proportion of all students that are left handed is equal to 0.4. What is the probability…

A: Given data,p=0.4n=20P(X=5)=?

Q: If a probability or 2 place decimal like area is found to be 077 or - 1.09 0.4377, what is the z…

A:

Q: d. For the 35 people, find the probability that the average age that they learned to walk is between…

A: here given ,  Suppose the age that children learn to walk is normally distributed with mean 11…

Q: If a probability of something happening is 1 how to convert that into percentage and find it's z…

A: We have given that,  If a probability of something happening is 1 how to convert that into…

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

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Q: What is the probability that the diameter of a dot is less 0.0026 inch? What is the probability that…

A: Here use normal distribution table for probability from calculated z score

Q: The probability is 0.275 that the gestation period of a woman will exceed 9 months. In 2000 human…

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Q: The probability that the mean price per gallon is less than $2.801 is (Round to four decimal places…

A: Given Data Population Mean,μ = 2.802 Population Standard Deviation,σ = 0.008…

Q: The probability that a person not present for medical check-up is 0.16. What is the probability that…

A: Answer:-  Given, P=0.16

Q: The mean number of customers arriving at a bank during a 15-minute period is 10. Find the…

A: Suppose random variable X defines the number of customers arriving at a bank during a 15-minute…

Q: For X~Normal(100,10), what would be the probability that x is less than 90?

A: Given: X~N (100,10) Mean(μ)  = 100 Standard deviation (σ) =10

Q: Find the probability of z greater than 0.5 if mean is 0 and standard deviation is 1.

A: Given, Mean=0 S.D=1 P(z&gt;0.5)=?

Q: If a probability or 2 place decimal like area is found to be 0.77 or 1.35 0.6064, what is the z…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: If a probability or 2 place decimal li ke area is found to be 0.77 or 2.59 0.8686, what is the z…

A: Given that the area or probability to the left of the standard normal distribution is;…

Q: Suppose PX) = 0.75 and AY2/X) = 0.40. What is the joint probability of X, and Y? (Round your answer…

A: Given that P(X1)= 0.75 and P(Y2|X1)=0.40We have to find P(X1 and Y2)

Q: a. The mean of the population is 0.29. In what range will the middle 95% e sample results fall? b.…

A: 95% of data lies within two standard deviations away from the mean. The values are Values = [u - 2s,…

Q: The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass…

A:

Q: When the value of A is increased, the probability of committing type I error is None of the above…

A: Type I error is the probability of rejecting the null hypothesis when it is correct. It is denoted…

Q: The probability that a person will die when he or she contracts a virus infection is 0.001. Of the…

A: Let, X= number of people who will die the probability that a person will die when he or she…

Q: The variance of the height measurements is .012 If the mean height is assumed to be 2.00 What is…

A: Given that mean=2.00So, z score of ±0.45σ of 2.00 is ±0.45So the robability that the next height…

Q: of 20%, what is the probability that the cost will be within the estimate?

A: here given  mean =  3  coefficient of variation  =  0.20

Q: Based on her experience, a professor kuows that the probability distribution for X= number of…

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Q: 5. Mammograms are 80% effective in detecting breast cancer. However, their false positive rate is…

A:

Q: that promises a profit of $37,000 with ap or a loss (due to lack of tourists, disinteres sters etc.)…

A: Given that the national park t-shirts is considering a sales that  promises a profit of $37000 with…

Q: The mean is μ = 15.2 and the standard deviation is σ = 0.9 Find the probability that X is greater…

A:

Q: Calculate the probability that the error in measurement has an absolute value of less than one.

A: here given Cumulative Distribution x  where x = error Involved in making a certain measurement…

Q: 6. What is the probability of a z-score less than -0.02?

A:

Q: If a z score is found 4 place decimal. to be -2.06 what is Like 0.2563 the resulting probability ?

A: Given, If z score is -2.06.

Q: What is the probability of obtaining a z score that is as extreme as or more extreme than 1.96?

A: Here we have to find z score that is as extreme as or more extreme than 1.96