xpress the null  hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol( mean, standard deviation,  andp) for the indicated parameter. An entomologist writes an article in a scientific journal which claims that fewer than 16 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Use the parameter  p, the true proportion of fireflies unable to produce light.

Q: Carry out a chi-square test for goodness of fit for the study (use the 0.01 level). Category…

A: It is required to use chi-square test for goodness of fit to test whether the expected proportions…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Solution: Given information: n= 40 Sample size  x = 29.7 Sample mean μ= 32 Population mean σ= 7.5…

Q: The weight of trucks traveling on a particular section of I-475 has a population mean of 15.8 tons…

A:

Q: Select appropriate variables of your choice (not an example from lab handout or PP slides) to…

A: The descriptive information has given in table (1). In which the mean of variables 'English only',…

Q: During a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are removed, depending on the…

A:

Q: 33% of the Population has 20/20 vision if 70 individuals are selected at random from the Population…

A: Sample size : n = 70P(20/20 vision) : p = 0.33x = Number of people with 20/250 visionMean of X :  =…

Q: The weight of trucks traveling on a particular section of I-475 has a population mean of 15.8 tons…

A: Central limit theorem: The central limit theorem implies that the distribution of the sample means…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: 70 million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average…

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: About 1% of the population has a particular genetic mutation. 187 people are randomly selected.…

A: Obtain the mean for the number of people with the genetic mutation in such groups of 187. The value…

Q: A student score 83 on a Mathematics in the Modern World has a mean of 72 and a standard deviation of…

A:

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Solution-: Given: \mu=32, \sigma=7.5,n=34 We want to find P(sample mean of 31.1 grams of fat per…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Given: μ = 32 σ = 7.5 n = 36

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: From the provided information, Mean (µ) = 32 Standard deviation (σ) = 7

Q: About 2% of the population has a particular genetic mutation. Suppose 100 people are randomly…

A: Givenp=2%=0.02n=100x~Binomial(n=100,p=0.02)P(X=x)=(nx)(p)x(1-P)n-x  ; x=0,1,2...,n

Q: Write both the null and alternative hypothesis. Use the correct notation for full credit. The mean…

A: Given : Claim : The mean time spent on a final exam is less than 2.5 hours We know the claim we are…

Q: Furnace repair bills are normally distributed with a mean of 263 dollars and a standard deviation of…

A: Here, µ = 263 and σ = 25.

Q: A study found that 1.98% of Social Security recipients are too young to vote. If 1142 Social…

A: Formula : Let p be the probability of success and n be the sample size then standard deviation is ,…

Q: Each year students in a local school district write a national examination. The average on this…

A: Average of a dataset is the mean value of the observations in the data and it is computed by…

Q: About 10% of the population has a particular genetic mutation. 800 people are randomly selected.…

A: Let X be the random variable denoting the number of people having genetic mutation out of 800…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: GivenMean(μ)=32standard deviation(σ)=8sample size(n)=38

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: Colette, a rancher from Colorado, herds a specific breed of cattle. The weight for this breed is…

A: Given X is normal Distributed with mean µ = 1800.0 and standard deviation σ = 125.0 now will using…

Q: A brewery claims that the mean amount of beer in their bottles is at least 12 ounces. Determine…

A: Given that, a brewery claims that the mean amount of beer in their bottles is at least 12 ounces.

Q: A voin is tossed four times. Let x denote the number of heads. Find the mean and standard deviation…

A: A coin is tossed four times. The  denotes the number of heads.

Q: A leading magazine reported at one time that the average number of weeks an individual is unemployed…

A: We have given that  X~N(mu,sigma ^2) mu=29 ,sigma =3.5 Z-socre =(x-mu)/sigma

Q: The net weight of a can of salmon is a random variable with a mean of 6.21 ounces and a standard…

A: Solution

Q: About 7% of the population has a particular genetic mutation. 162 people are randomly selected.…

A: We have to find mean and standard deviations..

Q: If X is a number on standard dice roll, find the standard deviation (o) of X.

A: The random variable is a number on a standard dice roll.If a standard die is rolled, then its…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Given Mean =32 Standard deviation=7.5

Q: About 3% of the population has a particular genetic mutation. 400 people are randomly selected.…

A: We know that, The Binomial distribution formula: B( x; n, p ) = nCx*px(1-p)n-x Variance in binomial…

Q: About 7% of the population has a particular genetic mutation. 500 people are randomly selected. Find…

A: Let X denote the number of people having genetic mutation out of 500 people and it  follows Binomial…

Q: During a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are removed, depending on the…

A: (a) Obtain the mean of the sampling distribution of the sample mean. The mean of the sampling…

Q: A student randomly guesses at four multiple-choice questions. Each question has three possible…

A:

Q: goods

A: Let X be the random variable such that  cholesterol content of a certain canned goods. The average…

Q: A dentist hypothesizes that the average time a child spends brushing their teeth is less than 60% of…

A: In the given situation, the claim of the problem is "the average time a child spends brushing their…

Q: Suppose that, in an experiment of casting a single die, six outcomes (X) are equally likely.…

A: Given,a single die is rolled than the possible out comes areS={1,2,3,4,5,6}Let X is the number on…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: Let X be the Farm-raised trout contain an average (mean) of 32 grams of fat per pound, with a…

Q: Find the mean variance and standard deviation for the number of heads when 10 coins are tossed.

A: When a coin is tossed it can it can land either head or tail. Therefore, the number of outcomes is…

Q: About 7% of the population has a particular genetic mutation. 183 people are randomly selected.…

A: Given Information: Number of people, n = 183 Percentage of population has a particular genetic…