n 10 Mean 5 p (probability of success) 0.5 Standard deviation 1.58 Number of Success 0 1 2 3 4 Probability 0.00098 0.00977 0.04395 0.11719 0.20508

Q: What percent of data is less than -8%

A: here we can see that shape of curve is bell shaped and symmetric about x = -6 so it is normal…

Q: For large U.S. companies, what percentage of their total income comes from foreign sales? A random…

A: Given data  x1  62.8 53.4 55.7 50.8 47 48.5 59.6 44.6 55.3 49.4 41 61.2…

Q: You want to know what percentage of students own pets at your university. In asking 10 random…

A: In an observational study, researcher observes the individuals and measure the outcomes. In this…

Q: You sample 200 men, and 70% own cats.You sample 160 women, and 15% own cats.Find the test statistic,…

A: Obtain the value of the test statistic. The value of the test statistic is obtained below: From the…

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given:

Q: When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet.…

A: Given Information: n = 3011 ¾ of all adults use the internet (p)  = 75% = 0.75   = 73% = 0.73 Step…

Q: nts in your hospital ward. After an evening meal of BBQ or salad, seven of your patients are quite…

A: The odds ratio calculates the relationship between a treatment and an outcome.  Alternatively, a…

Q: If P(A) = 0.5 and P(ANB) = 0.35, what are the possible values for P(B)? %3D %3D

A: Here use basic of dependent and independent events

Q: e testing the claim that the proportion of men who own cats is significantly different than the…

A: p^1=0.5p^2=0.45 p^=180*0.5 + 160*0.45180+160 = 0.47 hypothesis: H0 :p^1=p^2H1:p^1≠p^2 since we have…

Q: C) If a person is making the median salary for a construction worker, they are making more than what…

A: Here, we have given the boxplot of salaries and teachers.Now, Boxplot is a method of representing…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Introduction: It is of interest to test whether the population proportions of men who own cats, and…

Q: ​Claim: Fewer than 92​% of adults have a cell phone. In a reputable poll of 1172 adults, 86​% said…

A: The hypotheses for the test are given below. Null hypothesis: H0: p = 0.92 Alternative hypothesis:…

Q: you want to do a survey to help you estimate the true porportion of current students who have…

A:

Q: In a singing contest, the scores awarded by eight judges were : 5.9, 6.7,6.8,6.5, 6.7, 8.2, 6.1, 6.3…

A: Given data: Mean = 6.65 Median  = 6.6 Mode = 6.7 To find: Which two scores may be omitted to leave…

Q: The correct answer to this problem is 0.15 or 15%. Where did I go wrong in my calculation? Would you…

A: GivenP(red) = 0.25P(red and bad) = 0.10 The method what you did is incorrect as it probability of…

Q: relationship between the size of the offering and the price per share.

A: We have Given Shah Rukh Khan is studying companies going public for the first time. He is…

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: Interpret calculator display: In a recent poll, people were asked whether they supported an increase…

A: Given

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A:

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: When interpreting the p-value, what did you have to assume was true?

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: ​Claim: Fewer than 91​% of adults have a cell phone. In a reputable poll of 1119 adults, 83​% said…

A:

Q: a. What is the probability that the company selected has its corporate headquarters in California?…

A: The probability of an event E =No. of favourable casesTotal no. of cases=n(E)n(S), where S= sample…

Q: How many households must you survey if you want to be 94% confident that your sample percentage has…

A: Margin of error  = 0.03 Confidence level =  94%

Q: The service time, in minutes, for 12 customers in a restaurant are given below. What are the data…

A: Given that  The data are arrange in increasing order  Position X (Asc. Order) 1 6.5 2 6.8 3…

Q: The histogram shows the student loan default rates for the 52 regions in a particular country. (a)…

A: Given Histogram : a) The shape of the above histogram is bell-shaped and symmetric around the…

Q: You sample 110 men, and 75% own cats. You sample 150 women, and 65% own cats. Find the proportion…

A: Consider the two population :   Population 1 : Population of men  Population 2 : Population of women…

Q: The response rate of a survey is the proportion of all people who were selected but did not complete…

A: The given statement is  The response rate of a survey is the proportion of all people who were…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that among 180 men 85% own cats. So 85% of 180=153Among 100 women 45% own cats. So, 45% of…

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

Q: In a fishing lodge brochure, the lodge advertises that 75% of its guests catch northern pike over 20…

A: Given that, The value of sample test statistic is -1.40 And the p- value is 0.1607 α=0.05

Q: Research question: It is believed that the proportion of cars with the gas tank filler on the left…

A: