The average number of children a Japanese woman has in her lifetime is 1.38. Suppose that one Japanese woman is randomly chosen. a) List the values that X may take on. a. X = 1.38 b. X = 1, 2, 3, . . . c. X = 0, 1, 2, . . . d. X = 1, 2, 3, . . ., 98, 99, 100 b) Give the distribution of X. (Enter an exact number as an integer, fraction, or decimal.) X ~ ____ (____ , _____) c) Find the probability that she has no children. (Round your answer to four decimal places.)

Q: 5. There are 5 white balls and 3 black balls in a bag. Let X be the number of draws with replacement…

A: Let X be the trial on which the 1st success occurs.p be the probability of success.Total = 5 + 3 =…

Q: 4. (Proportion 5%) Supposing that X,,X,.,X,-N,(u,E) as an i.i.d with 2| is given. Determine the…

A: just find the mean vector and covariance matrix..............

Q: What sentence in the following list is wrong?   Group of answer choices A. Sample distribution shows…

A: As PER Central Limit theorem If Sample size is greater than 30 than Sampling distribution Is…

Q: . If the mean of some data set is equal to 10, then this necessarily implies:   a) 1/2 of the…

A:

Q: 00 freshmen at Arundel University took part in a math comprehension test. The scores were normally…

A: The middle (center) of the normal curve represents the mean of the curve. The normal curve is the…

Q: Suppose duration of pregnancy has a mean of 266 days and a standard deviation of 16 days. Use…

A: (a)The proportion of pregnancies lasting between 250 days and 282 days is,

Q: The CLT states that the distribution of p is Select one: piN(0,1) p-q piN(p, b. piN(p, C. p-N (». )…

A: If p is the population proportion, then

Q: I need solution very important

A: The objective of the question is to calculate various statistical measures such as mean, mode,…

Q: 10. Given a normal distribution with X~N(92, 7.3). Draw the distribution. a) Find P(77.4 s X<99.3).…

A: Given data: Mean = 92 Standard deviation = 7.3

Q: 5. An angle was measured by three different observers, A, B and C. The mean of each set and its…

A: From given information  observer   Mean angle   Sx   ∘ '  ''  '' A 89 54 36 0.7 B 89 54 42…

Q: 68. Bowling scores. At the time this book was written, the bowling scores, S, of author Marv…

A:

Q: Find the coefficient of vaxiance of freg. distribution Givem that its mean is 120, mode is 123 f…

A: Given : Mean = 120 Mode = 123 Karlpearson's coeff. of skewness = -3

Q: 6. A student used a measure of spread to conclude that the movie ticket prices (in dollars) in set A…

A: A student used a measure of spread to conclude that the movie ticket prices (in dollars) in set A…

Q: In an exam attended by 800 people, the average of the grades is 65 and the standard deviation is…

A:

Q: Assume that an airline operates a 172-seat McDonnel Douglas MD-88 on a particular route.…

A:

Q: . The lifetime of a species of housefly ranges uniformly from 18 h to 30 h. a) Construct a graph of…

A: Given,x ~ vri form (a=18, b=30)f(x) = 130-18f(x) = 112 ; 18 ≤ x ≤ 30    0 ; otherwise

Q: 22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a…

A: It is given that each one uses 650 pounds of paper a year.The distribution is normal with a…

Q: 3. A die will be rolled until the first ace comes out. Let X be the number of rolls till the first…

A: X be the number of rolls till the first ace comes out.

Q: Q3) Following are the observation showing output in tons per week of 8 manufacturing industries.…

A: In the given information the observation showing outputs in tone per week of 8 manufacturing…

Q: The following data are given to you to find out whether the distribution is platykurtic : N- 100,…

A:

Q: Please answer all. Thank you. When do we use the t-distribution? A.) we can use the t-distribution…

A: When do we use the t-distribution

Q: The figure is a histogram of the number of servings of fruit per day claimed by 74…

A: X=The number of servings of fruits per day n=74 We can make frequency distribution from given…

Q: The median class of a certain distribution is at 55 - 59 with a cumulative frequency of 24. If the…

A:

Q: Q1 Which of the following are assumptions that must be met when performing an independent samples…

A: We have to choose the assumptions that must be met when performing an independent samples test.

Q: 7. Describe the shape of the distribution given by the frequency distribution table below: Score 10…

A: The given data is as follows, Score Frequency 10 177 20 2308 30 5698 40 12549 50 29786

Q: tor at a college noted that the grades students were normally distributed with a mean o and a…

A: Let "a" be the minimum score needed to make an A. A person scoring at least "a" marks will be…

Q: 1. If the mean of a distribution is greater than the median, we can say that the distribution is a.…

A: If mean is greater than the median, the distribution is skewed to the right

Q: Number 2

A: From the above bar graph, we can consider the following frequency distribution as, Class 60-65…

Q: 14.Suppose that the speed at which cars go on the freeway is normally distributed with mean 75 mph…

A: normal distribution

Q: 7.) True False a. The standard deviation is the avecaged deniation the mean b) The median is a…

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

Q: Class Interval 0 to < 10 10 to 20 20 to 30 30 to 40 40 to 50 50 to 60 60 to < 70 Frequency 100000…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: A die was flipped 15 times, below is the number of upside. Number on left is toss, number on right…

A: The percentage for a specific upside number for "n" number of tosses of a dice= Number of counts for…

Q: The relative frequency of a class in a frequency distribution is 0.2. If the distribution has a…

A: Given Information: The relative frequency of a class in frequency distribution is 0.2 Total number…

Q: 9) Past data show that the time it takes to order a coffee at Starbucks follows a uniform…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean of u= 72.0 beats per…

A:

Q: Which of the following given procedures would describe a geometric distribution

A: Answer:- option (c) is correct. Surveying students on a college campus about what classes they are…

Q: 5. Which of the following statements is not true? a. In symmetric distributions, the mean and the…

A: Symmetric Distribution:In symmetric distribution the mean , median  are expected to be…

Q: Q. Suppose, in an exam there are two parts in the question paper that are part A and part B. Let us…

A:

Q: mean of μ = 76.0 beats per minute and a standard deviation of o= 12.5 beats per minute. Complete…

A: GivenMean(μ)=76.0standard deviation(σ)=12.5

Q: „If the mean of five observations is 8 and their deviations about their mean :are Then the value of…

A: Given observations Mean of 5 observations = 8 Deviations about their mean is  -2, 3, -5, 0, 4 d = X…

Q: 5. For a distribution in the (a, b, 0) class, you are given that p₁=0.6p, and p₂ = 0.4p₁. Determine…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: Using the appropriate table in textbook (Keller, Appendix B) or Excel, a. find z.05. Draw the…

A: Note: According to Bartleby guidelines expert solve only one question and maximum three subpart of…

Q: Find the are below 13 for a N(15,5) distribution

A: