Pizza A researcher tests whether the mean cholesterollevel among those who eat frozen pizza exceeds the valueconsidered to indicate a health risk. She gets a P-value of0.07. Explain in this context what the “7%” represents.

Q: You want to conduct a survey to determine the proportion of people who favor a proposed tax policy.…

A: From the provided information, We want to conduct a survey to determine the proportion of people who…

Q: Find the Mean number of the percents 4.38+4.62+4.88+5.02+5.33+6.30

A: Mean is the measure of central tendency. mean of the observations is sum of observations divided by…

Q: 6.81 is what percent of 45.4

A: To find what percent 6.81 is of 45.4Using the formula, Percentage =( Part  Whole )×100%

Q: Identify the variable in the informuanu What is the average miles per gallon (mpg) for all new cars?…

A: Given The avg. miles per gallon for all new cars is to be computed. Sample size, n=35 Avg. miles per…

Q: The number of housing foreclosures in 2008 was 3.98 million, up 81% over 2007. How many foreclosures…

A: Number of housing foreclosure in 2008 = 3.98 MillionWe need to find that how many foreclosure were…

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: Give only typing answer with explanation and conclusion Answer the following questions. (a) 88.83 is…

A: Given a question: 88.83 is what percent of 21 ?

Q: Use a z-Table to determine the percent of data specified. Round to the nearest hundredth. Greater…

A: A z-table, also known as a standard normal table, is a table that shows the area under the standard…

Q: One of the authors received a credit card bill for $2,697, but it included a charge of $1,838 that…

A: Given that

Q: The probability of spinning an even number or multiple of 5 on the equal section spinner with…

A: (As per bartleby guidelines, for multiple questions asked, only the first question will be solved.…

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: P(A or B) = 15/26. enter the correct percentage rounded to the nearest whole percent

A: According to the given information in this question P( A or B) = 15/26 We need to find the…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A:

Q: 2. Ten randomly selected gold mines produced 21, 19, 20, 22, 24, 21, 19, 22, 22, and 20 barrels of…

A: Solution-: Given: μ0=22.5,α=0.01 (or 1%) Given data: 21,19,20,22,24,21,19,22,22,20 Is this enough…

Q: 49.5 is what percent of 33?

A: Let x percent of 33 is 49.5. It follows: x100×33=49.5x=49.5×10033x=495033x=150 Therefore, 150…

Q: oes this indicate that the proportion of customers of this brand of soap has increased, at the .1…

A: Given : n=400 , X=92 , p0=0.20 , α=0.1 We want to test that the proportion of customers of this…

Q: Is 83% a parameter or a statistic?

A: The difference between a statistic and a parameter is that statistics describe a sample, whereas, a…

Q: A quality control process finds 65.1 defects for every 9,300 units of production. What percent of…

A: The value of the base is B = 9300 as the base is the whole amount here total units of production is…

Q: What would s2 = 0 tell you about your sample? What would s2 = -25.397890175675 tell you?

A:

Q: A student sketched some art on an 8.5 inch x 11 inch piece of paper. She wants to resize it to fit…

A:

Q: The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and…

A: As per our guidelines we are suppose to answer three sub parts. Given,sample…

Q: Could you explain where t-score = -1.97 for 5% come from? I don´t see anywhere

A: The sample size n is 221.

Q: How to multiply this set of data by 50% in R? Thanks.

A: We have given the a set of data, we need to multiple by 50% i.e 0.5 to each value of give  data…

Q: Find the P-value: Type your answer as a decimial rounded to three decimal places. Do not type a…

A: Hypothesis test are used to determine the significance between the sample and population. Each…

Q: How many manatee carcasses had an undetermined cause of death?what is the percent of total manatee…

A: Solution: How many manatee carcasses had an undetermined cause of death?We are given the total…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: 7.16% comes

A: Given: Risk-free rate return: 2.25% Return of the market: 9.75% value risk premium: 3.50% size…

Q: nd alternative hypotheses? versus H,: ecimals. Do not round.) two decimal places as needed.)

A: We are given: p0=53%=0.53 First, we calculate np0(1-p0) to check the conditions. The calculations…

Q: Part B. The absolute risk of getting diabetes in the UK if you are an obese adult is 63.4%. The…

A: Relative risk is the ratio of the probability of an outcome exposed to a certain event and the…

Q: What does course median mean on a report card. My mark for the class I am taking is 80% and the…

A: Descriptive statistics

Q: DIRECTIONS: Use this information to answer Parts A, B, and C. Two friends each attempt to measure an…

A: Percentage error = |actual value - expected value|×100 / expected value

Q: What does it mean if the coefficient of determination is 78.2%?

A: coefficient of determination is a measure of proportion of variation in dependent variable Y…

Q: if the 90% C for the population mean is (-2.58, 7.54) what is the sample mean O a 248 Ob. 10.12…

A:

Q: A market researcher at a major clothing company that has traditionally relied on catalog​ mail-order…

A: Introduction :-  We have to explain in this context what the 7% represents in the given context.

Q: P(-1.75 </= z </=2.01)= O 97.73% O 93.77% O 93.97% O 97.37%

A: Given information- We have given the standard normal distribution with a mean of 0 and a standard…

Q: At Zachary's Hats, there are 295 baseball caps and 205 other hats. What percentage of the hats are…

A:

Q: The value 100 is in the 25th percentile. How many percent of the values is more than 100? a. 25%…

A: The median is middle value of the observations, above or below which 50% of the observations lie.…

Q: EXERCISE 2.15. What is the last digit of 357? Of 75³? Of 11100? Of 85%

A: The objective is to determine the last digit of the following: 357, 753, 11106, 854

Q: Sorry 0.2% is incorrect

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.