According to the attached graph of normal distribution, we can say that the probability of this distribution is:   a) P(z<1,48) b) P(z<0,39) c) P(z<0,39) - P(z<1,48) d) P(z<1,48) - P(z<0,39)   I think the correct answer is the d option, is it correct?

Q: According to a recent survey on the policy of Work From Home (WFH), 19.4% of XYZ employees prefer to…

A: Solution: Given information: N= 900 Population size  n= 50 Sample size  p=0.194 Population…

Q: For the purposes of constructing modified​ boxplots, outliers are defined as data values that are…

A: Solution:

Q: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform…

A:

Q: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform…

A: Let "X" be the diameter of ball bearings produced in a manufacturing process in millimeters.…

Q: Let us consider the number of accidents occurring on Vijayawada-Hyderabad Highway in a month follows…

A: Let X denote the number of accidents occuring on Vijayawada-Hyderabad Highway. Therefore…

Q: For each trip to the grocery store, a shopper spends an average of mean of 45 minutes and standard…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: busy restaurant on Wednesdays follows a Normal distribution with mean 4,365 and standard deviation…

A:

Q: In general, there is more probability in the tail ends of the zz-distribution than the…

A: T-distribution vs Z-distribution

Q: The last question stated "The distribution is skewed to the right due to several high volume days…

A: The central limit theorem states that when the sample size is large the sampling distribution of…

Q: Compared to the area between z = 1.00 and z = 1.25, the area between z = 2.00 and z = 2.25 in the…

A: Here we have to compare the area between Z =1.00 and Z = 1.25 &amp; the area between Z = 2.00 and…

Q: The phone calls received at the reservation desk of Air Asia Airlines duri weekend is follows a…

A: c) Let X be the number pf phone calls received at the reservation desk of Air Asia Airlines follows…

Q: A pair of dice are rolled. Let X be a random variable that denotes the sum of the number of dots…

A: Here Given  Pair of dice are rolled  So Total Possible number of Outcome=6×6=36

Q: what is a probability that a cast will weigh more than 2.2 kg?

A: Let , X→N(μ=4.5 , σ=1) We want to find the P(X&gt;2.2)

Q: A normal distribution is observed from the body weights of the forty students in a class. If the…

A: Given information Mean (µ) = 125 Standard deviation(σ) = 9 As per empirical Rule 68% falls within…

Q: A researcher would like to investigate if the distribution of the number of babies born is uniform…

A: Given Information: The researcher wishes to investigate if the distribution of the number of babies…

Q: A bank issues Visa and Master Cards. It is estimated that the balances on all Visa credit cards…

A: Let us denote X=the balance on all Visa credit cards issued by the bank Given that X follows a…

Q: the length of human pregnancies is right skew distributed with an average pregnancy length of 266…

A: Given data, μ=266σ=16n=49

Q: Suppose the total cholesterol levels of all women 20 or older in U.S. have the average of μ=170μ=170…

A:

Q: The blood sugar levels of a person follows a normal curve with an average of 4.7mmol/L and a…

A: Solution: Let X be the blood sugar level. From the given information, X follows normal curve with an…

Q: What is the probability that the sampling error (x−μ) would be $9 or more? That is, what is the…

A: Given P(sampling error 9 or more)

Q: The distance travelled to work by the employees of PUP may be modelled by a normal distribution with…

A:

Q: American college students have an average of 4.6 credit cards per student. Is the average less for…

A: The claim is that claim that the average less for 20-year-olds who are not in college.

Q: What is the probability that a randomly selected customer spends more than $45 at this store?…

A: Given Data : Population Mean,μ = 75 Population Standard Deviation,σ = 20

Q: The average time to recycle an e-waste is between 18 to 42 minutes following a uniform distribution.…

A:

Q: About 78% of all female heart transplant patients will survie for at least 3 years. Sixty female…

A: From the provided information, Population proportion (p) = 0.78 Sample size (n) = 60

Q: According to the central limit theorem, for a relatively large sample size, the variable x is…

A:

Q: What is the value of the probability P (X≤18) of the chance variable in a binomial experiment where…

A:

Q: The mean cost of a set of new set of Queen sheets having a 500 thread count is $65.40 with a…

A: We have given that, Population mean (µ) = $65.40, standard deviation (σ) = $7.41 sample size (n) =…

Q: The average number of traffic accidents in a certain city in a seven-day period is 28. All traffic…

A: Given the average number of traffic accidents in a certain city in a seven-day period is 28. All…

Q: A government sample survey plans to measure the total cholesterol level of an SRS of men aged 20-34.…

A: Note: As it is not logical that “the probability that x falls within + or -2 milligrams per…

Q: We suppose that the weight of men follows a normal distribution whose parameters are 80 kilos and 15…

A: Here, µ=80 and σ=15.

Q: Suppose that you have a large number of potatoes. The mean weight of the potatoes is 7.4 ounces with…

A:

Q: American college students have an average of 4.6 credit cards per student. Is the average different…

A: Given that American college students have 4.6 credit cards on average per student. Let μ0=4.6…

Q: According to the Empirical Rule, the percentage of observations in a data set (providing that the…

A: to find: the percentage of observations in a data set (providing that the data set has a bell-shaped…

Q: When one die is rolled, the die roll (or number of spots showing) has a mean of 3.5 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A machine adjusted to fill 330 ml of beverage has a normal distribution of 330 ml and a standard…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs.…

A: It is given that the mean is 245.7, the standard deviation is 34.5 and the sample size is 32.

Q: The number of accidents occurring in a plant in a month follows Poisson distribution with mean as…

A: Introduction : Given , Poisson Distribution question , mean = 5.2 We have asked to calculate the…

Q: What is the distribution of the t-test statistic if m, n -----> ∞ ?

A: Given, Xi ~ Nμ1,σ2     Where,  μ1 and σ2 are unknown Yi ~ Nμ2,σ2 Where, μ2 and σ2 are unknown Also ,…

Q: The time required to complete a particular assembly operation has a uniform distribution between 25…

A: Let X denote the time required to complete a particular assembly operation. Given that X follows…

Q: Suppose the weight of watermelons produced in Adana follows the normal distribution with mean 7.2 kg…

A: It is given that the weight of watermelons follows normal distribution with mean µ as 7.2 kg and…

Q: The number of flower arrangements delivered each day by BONSAII FLOWERS follows a Poisson…

A: Given: λ=10 The probability that BONSAII FLOWERS deliver the first day of April exactly 5…

Q: For the purposes of constructing modified boxplots, outliers are defined as data values that are…

A:

Q: Malaysian families recorded an average of 17.2 kg of glass garbage each year with the standard…

A:

Q: Consider two sample means distributions corresponding to the same x distribution. The first sample…

A:

Q: The number of errors in a text book follows a Poisson distribution with mean of 0.01 errors per…

A: Given,the mean no.of errors per page (λ)=0.01so , the mean no.of errors per 100…

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 4. Bo…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: What is the Central Limit Theorem? It is always true that as the sample size, n, increases, the…

A: According to Central limit Theorem , if the sample is chosen randomly , distribution of sample means…

Q: A small construction crew in northwestern Canada is about to start road work on a mining road. The…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.