Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution. Given that the stock is greater than $21, find the probability that the stock is more than $31. Give your answer accurate to four decimal places.

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 447 green peas…

A: Given data:  447 =  green peas and  169 = yellow peas Confidence level = 95%

Q: The data represents the heights of eruptions by a geyser.   Use the heights to construct a stemplot.…

A: Given that   The data are  61,37,50,90,80,50,40,70,50,68,75,59,58,66,68,60,73,70,47,88

Q: Assume the random variable x is normally distributed with mean μ = 84 and standard deviation o= 5.…

A: Given that  Mean = 84 , Standard deviation = 5

Q: population mean. Based on previous evidence, you believe the population standard deviation is…

A: We have given that,  Margin of error (E) = 3, population standard deviation (σ) = 25.7 and…

Q: It is an statistical tools used to decide whether or not to reject a statistical hypothesis Null…

A: Test of hypothesis:  Is defined as a procedure to reject or do not reject the null hypothesis. Steps…

Q: A process is improved in terms of productivity. The data sets before and after are (61.63, 58, 57,…

A: As per our guidelines I can solve only first question. Kindly post the remaining questions again and…

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: Given that  Population  standard deviation =25.3 Margin of error =E =4 98% confidence level

Q: A manufacturer of potato chips would like to know whether its bag filling machine works correctly at…

A: We have given that Population Mean(µ) = 410 Significance level (α) = 0.02

Q: a) We would next like to construct a 95% confidence interval for the difference ?1−?2p1−p2. What is…

A: p1 denotes the proportion of homes with asbestos in Kingston and p2 denotes the proportion of homes…

Q: Weight Gain of Athletes A researcher wishes to see whether there is any difference in the weight…

A: The data shows the weight gains (in pounds) of three groups placing on the diet for 6 weeks.

Q: How does an outlier affect the mean absolute devlation?

A: Mean absolute deviation is calculated using the formula: MAD = ∑xi - x¯n xi = Input data values x¯ =…

Q: A simple random sample of size n=450 individuals who are currently employed is asked if they work at…

A: From given data we have : n=450 x=27 so, Point estimate is  p^=xn  =27450  =0.06

Q: Information on a packet of seeds claims that the germination rate is 91%. The manufacturer needs to…

A: given data   p = 0.91 n = 230 P(p^>0.92) = ?

Q: Data Points 1.2 4.8 8.4 12.0 15.6 frequency 5 8 30 5 3

A: data points frequency 1.2 5 4.8 8 8.4 30 12.0 5 15.6 3 total 51

Q: In the first-order linear regression model, the population parameters of the y-intercept and the…

A: The general form of simple linear regression equation is: y=β0+β1x+∈ where, y is the dependent…

Q: Blood alcohol concentrations of drivers involved in fatal crashes and then given jail sentences are…

A: arrange data in accending order :  0.11,0.13,0.14,0.16,0.16,0.16,0.18,0.18,0.23,0.23,0.27,0.30…

Q: A psychologist obtains a random sample of 20 mothers in the first trimester of their pregnancy. The…

A: The sample size is 20, sample mean is 103.8 and sample standard deviation is 15.5.

Q: Listed below are actual high temperatures and the high temperatures forecast one day in advance. Use…

A: Given The data is as follows: α=0.10 Actual high temperature High temperature forecast one day…

Q: company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Given that  The lengths of the steel rods are normally distributed with a mean of 245.7-cm and a…

Q: A test was given to a group of students. The grades and gender are summarized below Total 40 22 62 A…

A:

Q: A travel industry researcher interviews 100 passengers on five randomly selected Alaskan cruises.…

A: The correct  option is A Cluster sampling  technique.

Q: Golf-course designers have become concerned that old courses are becoming obsolete since new…

A: Given that  Sample size n =176 Sample mean=258.5 Population Standard deviation =48.3

Q: The strings of lights range in weight from 50 to 221 ounces. The average weight of the strings of…

A:

Q: A pharmaceutical company wants to test whether its medication reduces cholesterol levels. They…

A: Given: A company tests whether its medication reduces cholesterol levels on 100 subjects. The…

Q: Consider the following hypothesis test. The null hypothesis is "The mean body temperature for humans…

A: A hypothesis test is given.

Q: A researcher is interested in whether completing a six-week speed-reading course designed for…

A:

Q: Is the coefficient for the unemployment rate variable statistically significant at the 5%…

A: Given that, Dependent variable (y) = number of applications to in-state universities Independent…

Q: A cell phone's SAR (Specific Absorption Rate) is a measure of the amount of radio frequency (RF)…

A: The question is about regression Given : Slope ( b ) = 59.6 Intercept ( a ) = -12   To find : Value…

Q: A distribution is given as X~ U(0, 12). Find P(x > 3). (Enter an exact number as an integer,…

A: Let X be the random variable from Uniform distribution then Then,  P(X>3) = ?

Q: The following data show the number of contacts that a sample of high school students had in their…

A: Given The data is as follows: Male Female 124 30 41 83 29 116 27 22 44 173 87 155…

Q: 130 adults with gum disease were asked the number of times per week they used to floss before their…

A: To find: a. To complete the table b.what is the cumulative relative frequency for flossing 4 times…

Q: 2. Sarah is a newly recruited revenue manager of Rose hotel that is a 300-room family owned hotel in…

A: The expectation of a discrete random variable X, denoted by E(X), is defined as a measure of central…

Q: (a) State the null hypothesis Ho and the alternative hypothesis H₁. Ho :O H₁:0 (b) Determine the…

A: Given that  Sample size = 150 Population Standard Deviation = 15 Note : According to bartleby…

Q: In a large city, commuter trains are used to transport people into the downtown area. Trains arrive…

A: Given that:   Train Status On Time Late Total Day of the Week Monday 32 8 40 Tuesday 24 16…

Q: 9 10 11 12 IQR= 13 14 15 16 17 18 data Based on the boxplot above, identify the 5 number summary…

A: Solution

Q: Suppose x has a normal distribution with mean μ = 36 and standard deviation σ = 15. Describe the…

A: Given: x has normal distribution with mean μ=36 and standard deviation σ=15. Concept: The sampling…

Q: Assume that different groups of couples use a particular method of gender selection and each couple…

A: In this case, each couple has only options of "having a girl" (defined as success) or "not having a…

Q: 6) Test the claim that men and women have the same mean Grade. Men Women n = n = x = x = s = s 7)…

A: Given information: Gender Quizzes Homework Reviews Exams Grade F 97 96 90 91 94 F 59 68 45 78…

Q: Statistics Class Times A professor wishes to see if students show a time preference for statistics…

A: Chi square test are used to determine whether the variables are independent or not. It also used to…

Q: nagers two weeks. If 6 human resource managers are randomly selected, find the probability that…

A: Given that  Number of trials n=6 Success of probability p =0.44 X~binomial (n,p)

Q: Construction costs in East LA is not cheap.  You want to build a simple cost estimator for…

A:

Q: Find the area associated with the given Z-Score. Round to four decimal places. Z = 1.52

A: Given that  Z = 1.52 Find P(Z < 1.52)

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: A clinical trial was conducted to test the effectiveness of a drug used for treating insomnia in…

A:

Q: Out of 100 people sampled, 59 had kids. Based on this, construct a 90% confidence interval for the…

A: We have given that,  Favorable cases (X) = 59 and sample size (n) = 100 Then,  We will find the 90%…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: 90% ci for p E = 1.5% = 0.015n = ?no preliminary estimate so use p^ = 1-p^ = 0.5

Q: If Meg got a C in her two-unit PE class, an A in her three-unit Statistics class and a B in her…

A: From the provided information, the followings are interpreted: Subject No. of units Grade PE  2…

Q: We are going to calculate the mean, median, and mode for two sets of data. Please show your answer…

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

Q: Is sex associated with vision correction? She selects a random sample and records their sex and what…

A: Given The data is as follows:   Contacts Glasses None Total Female   69 42 135 Male 21   63…

Q: ↑ Winning team data were collected for teams in different sports, with the results given in the…

A: Introduction: We need to test if home/visitor win is independent of the sport.