Suppose there exists a population where 46% of its members possess a certain characteristic. Let be the proportion of a random sample of 177 members that also possess that certain characteristic. Determine the following probabilities. Round solutions to four decimal places, if necessary. Find the probability that the sample proportion is less than 0.34. Find the probability that the sample proportion is between 0.41 and 0.49.

Q: Suppose there exists a population where 71% of its members possess a certain characteristic. Let p…

A: Solution-: Given: n=388, P=0.71 (or 71%) We want to find, (a) P(p^<0.77)=? (b)…

Q: Suppose that for Americans in the age group 18-24 years, sixty-six percent had private health…

A: Number of americans in age group 18-24 (P1)=0.66 and number of randomly choosen(n1)=273.Number of…

Q: Suppose that 64% of all voters prefer the Democratic candidate. Let X be the number of people who…

A: p=0.64n=37we have to find out the distribution of x and probability for the given data.

Q: The mean height of women in a country​ (ages 20-29) is 63.9 inches. A randon sample of 70 women in…

A: Given μ= 63.9 Sample size=n=70 σ=2.87

Q: Select the true items related to Poisson distribution. Select only the four correct answers.…

A: We have to choose correct option For Poisson distribution We have to choose 4 correct option

Q: In a Statistics class, the final exam scores were normally distributed with a mean of 63 and a…

A: Mean, μ = 63 and standard deviation,σ = 5

Q: 3. A surgical technique is performed on ten patients. You are told there is an 83% chance of…

A: Givenn=10p=0.83

Q: tax o ndom, the probability distribution for the proportion of the p od can be modeled by the normal…

A: we have  p=60%=60100=0.60 1-p=1-0.60=0.40 n=179

Q: Assume that 11% of Douglas College students are left-handed. Suppose you randomly select 100…

A: Given that n= number of observation= 100 p= probability of success= 11%=0.11 since each trial is…

Q: For each probability and percentile problem, draw the picture. According to a study by Dr. John…

A: The mean is, μ=a+b2=6+152=10.5 The mean is 10.5. The standard deviation is,…

Q: Suppose the probability distribution below represents a simple population. If we take samples of n=2…

A:

Q: Suppose there exists a population where 60% of its members possess a certain characteristic. Let be…

A:

Q: Answer what is asked from each number using proper probability notation and units wherever possible…

A: Let,  denotes the number of vaccination shot and it is given that mean and standard deviation of…

Q: In an election, suppose that 55% of voters support a school levy increase. If we poll 176 of these…

A: Given suppose that 55% of voters support a school levy increase If we poll 176 of these voters at…

Q: 1. Create the probability distribution table for X: X outcome a. E[X] = μx b. SD[X]=ox profit æ,$…

A: The life insurance policy for her iguana is for the price of $100 per year.Neveah will receive $4000…

Q: On any given morning, Joe eats 0, 1, or 2 eggs, with probabilities 0.2, 0.5, and 0.3, respectively,…

A:

Q: The reported rate for colorblindness for men ages 65 and older is 12%.  Assume this estimate is the…

A: Here, n = 25 and p = 0.12.

Q: 31. Suppose there exists a population where 64% of its members possess a certain characteristic. Let…

A:

Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…

A: given data  p = 0.22 n = 131 P(x=32) = ? use normal approximation of binomial distribution.

Q: In an election, suppose that 50% of voters support the incumbent candidate. If we poll 92 of these…

A: From the provided information,In an election, suppose 50% of voters support the incumbent candidate,…

Q: a.cº(.2)°(.8)° b. C{(.2)'(.8)" c.C{(,2)°(.8)°

A: Given that, X ~ B(n=8, p=0.2) a) Here, we have to find P(X=0)…

Q: 1. Results of a study conducted to determine the water consumptions in number of cubic meters of…

A:

Q: In an election, suppose that 60% of voters support a school levy increase. If we poll 98 of these…

A: The sampling distribution of the sample proportion (p) for a large sample (n) is normally…

Q: Consider a discrete population with only the numbers (3,4,5) with probabilities (0.2, 0.2, 0.6).…

A:

Q: Suppose the probability distribution below represents a simple population. If we take samples of n=2…

A: There will be total 9 samples each of size 2, from the given population if the samples are taken…

Q: Suppose that the true proportion of households with at least one car is T = .80. If a random sample…

A: Assume that π as the true proportion of households with at least one car.

Q: In an election, suppose that 60% of voters support the incumbent candidate. If we poll 105 of these…

A: The objective of this question is to find the mean and standard deviation of the proportion of…

Q: In an election, suppose that 65% of voters support the incumbent candidate. If we poll 216 of these…

A: The given information is:The population proportion is The sample size is

Q: Toss five fair coins and let x equal the number of heads observed. a. Identify the sample points…

A: toss five fair coins.  n = 5x = no. of heads observed. P(head) = p = 12P(x=X) =nCxpxqn-x…

Q: A ballet instructor is interested in knowing what percent of each year's class will continue on to…

A: Let X be the random variable having probability mass function then we have to complete the given…

Q: It is claimed that 20% of the people in a particular region have an infection. Suppose that ten…

A: Given:  The probability that the people in a particular region have an infection is 0.20 and number…

Q: Suppose that the distance to a certain store (i.e., X) from your home follow a NORMAL probability…

A:

Q: Suppose x is a normally distributed random variable with µ = 15 and o = 2. Find each of the…

A: Gdfhb

Q: B. Can the able be a probability distribution for the random variable X? P(¤) 1 0.2053 -0.1625…

A: We have given that table.  X 1 2 3 4 5 P(x) 0.2053 0.1625 0.4037 0.3473 0.2062

Q: Suppose that for Americans in the age group 18-24 years, sixty-eight percent had private health…

A: Let:p1 = percentage of private health insurance for the 18-24 age group = 68%p2 = percentage of…

Q: For each of the following, choose what distribution is appropriate and solve. In a certain…

A:

Q: Suppose that a die rolled twice. What are the possible values that the following random variables…

A: Here a die is rolled twice. So possible outcomes are  36 which are {(1,1), (1,2), (1,3), (1,4),…

Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…

A: given data, use normal approximation  to binomial sitribution here p(voted at aged…

Q: In a study, it was found that 42.5% of the population drink soda at least once a day. You randomly…

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