The mean salary offered to students who are graduating from Coastal State University this year is $24,230, with a standard deviation of $3643. A random sample of 75 Coastal State students graduating this year has been selected. What is the probability that the mean salary offer for these 75 students is $24,750 or more? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.

Q: The Stephens Leadership Center provides training seminars personal dever The company is relatively n...

A: Given data is, Month Seminars offered Costs Incurred January 10 17000 February 12 18800 Ma...

Q: A normal distribution has a mean of u - 60 with o- 8. If one score is randomly selected from this di...

A: Given Data: Let X be the random variable Mean=60 SD=8   X~ Normal (60, 82)

Q: At this resolution level of the data, each dot in the above graph represents about 200 Tesla Model S...

A: Given information: PSubstandard battery=0.01n=160000

Q: Height Weight GPA Study TV Computer FamilySz Floors stairs friends female Acctg Mgmt Mktg Fin IntBus...

A: Here the sample size is less than 30 , we have been provided sample mean and sample standard deviati...

Q: An analysis is concerned about the level of knowledge possessed by students regarding Caribbean Hist...

A: Note: Since you have posted a question with multiple subparts, we will solve the first three subpart...

Q: An ambulance travels back and forth, at a constant specific speed v, along a road of length L. We ma...

A:

Q: I need help with this question thanks

A: One of the basic assumptions in linear regression is the assumption of linear relationship between t...

Q: Use the venn diagram to compare and contrast between direct and indirect contacts. 1| Page

A:

Q: During the winter term, the same student's trip to their college takes 16.39 min by car, with a mean...

A: Solution: Let X be the trip time. From given information, X has mean µ=14.65 min and a standard devi...

Q: The college student senate is sponsoring a spring break Caribbean cruise raffle. The proceeds are to...

A: probability - the ratio of the number of favorable outcomes to certain event and total number of pos...

Q: Fill in the three missing values A, B, andC from the frequency table above. (round to the nearest th...

A: Part a) The cf for 9th value is cf = 31 + 5 = 36  

Q: IF X has an exponential distribution with the parameter 0 and Hx = 20, where 0>0 then P(X > 1) is: 0...

A: We know that :  For exponential distribution, the mean is equal to the standard deviation; i.e., μ =...

Q: Please answer G, E, F

A: Regression coefficient tells whether dependent variable increase or decrease by change in 1 unit in ...

Q: According to a government​ agency, 13.7​%of the population of a certain country smoked in 2016. In 2...

A: Given data, n=568 x=70 sample proportion p=x/n=70/568 =0.123

Q: Consider a multinomial experiment. This means the following. (refer to screenshot) A city is having ...

A: Given, n=8, p1=0.7, p2=0.2, p3=0.1 The multinomial p.d.f is given by Pr1,r2,r3=n!r1! r2! r3!p1r1*p2r...

Q: Ans. question no. 1 and 2 using the table below... thank you

A: A partition value is a measure that divides the given data into equal parts. The most common types o...

Q: Benford's law states that the probability distribution of the first digits of many items (e.g. popul...

A: X Observed Benford's Law Expected (O-E)^2 (O-E)^2/E 1 15 0.301 23.478 71.87648 3.06144 2 16 0.17...

Q: The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distribu...

A:

Q: What is the null and alternative hypothesis (statement) of the following:  A 1985 study was performe...

A: given  A 1985 study was performed focusing on the protein concentration of duodenal secretions from ...

Q: Heart failure is due to natural occurrences in 95% of cases or outside factors in 5% of cases. Suppo...

A: According to the answering guidelines, we can answer only 3 subparts of a question and the rest can ...

Q: let X be a continuous random variable with pdf: 0 <x < 1 1 < x < 2 Sa(x) = {} otherwise

A: From the given information, f(x)=13, 0&lt;x&lt;123, 1&lt;x&lt;20 otherwise The CDF F(X) is obtained ...

Q: An elevator has a placard stating that the maximum capacity is 1968lb—12 passengers.​ So, 12 adult m...

A:

Q: A student is taking a biochemistry major at a local university with the intent on getting into medic...

A: Itis given that each year consists of 10 credits. The student has already completed 3 years of the p...

Q: PROBLEM SET. "LET'S TRY!" NORMAL DISTRIBUTION AND Z-SCORE WORD PROBLEMS. This time you are very much...

A:

Q: 8. Brada has 6 different color pants and 4 different color shirts. How many pants-and-shirts combina...

A: Hello! As you have posted 3 questions, we are answering the first 2 questions.  In case you require ...

Q: 15/10 This was rejected but it’s a picture. The problem is complete. Please let me know if you don’t...

A: From the provided information, a) The degrees of freedom of numerator = 2 The degrees of freedom of ...

Q: Please write a sentence of comment about LWT  (mother’s last weight) and  AGE (mother’s age) histogr...

A: The average age of a mother is 23.23 years. However, 50% of the mothers have age up to 23 years. The...

Q: Classify each of the following by type of variables and level of measurement and give the definition...

A: Variables can take different values. This can be a number, quality or characteristics which can be m...

Q: #6 abc

A: It is an important part of statistics. It is widely used. 

Q: North Carolina State University looked at the factors that affect the success of students in a requi...

A: A). For this study we should use the two sample proportion z test. The null and alternative hypothes...

Q: Randomization distribution 40 50 00 70 30 The histogram above shows a randomization distribution bas...

A: Given: The hypothesis to be tested is H0: μ=50 vs Ha: μ&gt;50 Graphical data gives randomization dis...

Q: The paper “Contemporary College Students and Body Piercing” (Journal of Adolescent Health [2004]: 58...

A: The observed value (Oi) is: Income Piercings Tattoos Piercing and Tattoos No Body Tota...

Q: Help me fast so that I will give Upvote.

A: Given: ∝ = 0.05 n = 50 x = 47 Thus, p^= x/n = 47/50 = 0.94

Q: Height Weight GPA Study TV Computer FamilySz Floors stairs friends female Acctg Mgmt Mktg Fin IntBus...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: The following are the ratings of males by females in an experiment involving speed dating. Use the g...

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want rem...

Q: Yann writes down the first n consecutive positive integers, 1, 2, 3, 4, . . . , n − 1, n. He removes...

A: Previously there was n consecutive positive integers. Then 4 different integers were removed. Given ...

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support...

A: From the provided information, Margin of error (E) = 6% that is 0.06 Confidence level = 99% The prop...

Q: 1) The average American spends $65.88 per month dining out (The Des Moines Register, December 5, 199...

A: We know that, Mean: It is the sum of the observations divided by the total number of observations. M...

Q: Please answer #16

A: z-value=-1.32

Q: Too much cholesterol in the blood increases the risk of heart disease. Young women typically have lo...

A: Given information: It was stated that too much cholesterol in the blood increases the risk of heart...

Q: Express the ratio below in its simplest form.

A: The given expression can be written as (3*2+1)/2:4.5 =7/2:9/2

Q: Assume that a procedure yields a binomial distribution with n=1001 trials and the probability of suc...

A: Given: Binomial distribution with n=1001 trials and the probability of success for one trial is p=0....

Q: An ambulance travels back and forth, at a constant specific speed v, along a road of length L. We ma...

A:

Q: A data set includes 108 body temperatures of healthy adult humans having a mean of 98.2°F and a stan...

A: Solution: Let X be the body temperature of healthy adult human. From the given information, x-bar=98...

Q: A) What percent of car sales amounts are between $11,700 and $18,900? B) 99.7% of all people paid be...

A: For a normal distribution with mean μ and standard deviation σ, we have: P(x&lt;=a) = P(x-μσ&lt;=a-μ...

Q: Consider the boxplot below. 8 10 20 38 a. What quarter has the smallest spread of data? Third Fourth...

A: Given boxplot :

Q: Please solve 13

A: 13. From the given information, The mean is 15 and the standard deviation is 3.  

Q: Statistics Question

A:

Q: A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older su...

A: According to the provided information, x¯=96.6s=22.3n=19

Q: Assume that women's weights are normally distributed with a mean given by ?=143 lb and a standard de...

A: We have to find probability using z table. 

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.