(d) Determine whether the set W = {(x₁,x₂,4): x, and x₂ are real numbers is a subspace of R³ with the standard operations. Justify your answer.

Q: (d) Let x be the complex number 1-i. Use de Moivre's Theorem to find the smallest ne N such that x"…

A: By De Moivre's Theorem,  (cos x + isinx )n = cos nx + isin nx By Euler's formula eix= cos x + isin x

Q: 4. The equation f (t) = models the bacterial count, in thousands, for a sample collected from pond…

A: solve when f(t)> g(t)

Q: (b) Calculate G(1.55). (Round your answer to three decimal places.) G(1.55) =| Explain what your…

A: Given: The growth rate of the population (marine fisheries) in millions of tons of fish per year…

Q: The Denver Post reported that a recent Audit of Los Angeles 911 calls showed that 85% were not…

A: Assuming X, a random variable, and X~B(n,p) the pmf is P(X=x)=nCxpxq(n-x) ; x=0,1,2...np=probability…

Q: 2) A large industrial explosion occurred near a densely populated region in a major city. The…

A: Given data >60: High Exposure 40-59: Medium Exposure 20-39: Low Exposure <20: No exposure…

Q: A construction company uses the function f(p), where p is the number of people working on a project,…

A:

Q: The probability mass function of a random variable is zero except at the points x 0, 1,2. At these…

A: Given x 0 1 2 p(x) 3a3 6a-10a2 3a-1

Q: Question Help v Assume that the duration of human pregnancies can be described by a Normal model…

A: Given,mean(μ)=265standard deviation(σ)=18sample size(n)=58

Q: Part d not answer

A:

Q: e you bid $12,000.

A: According to the sum, we are interested in bidding on a piece of land and we know one other bidder…

Q: D. Suppose a certain company claims that the average time a customer waits on hold is less than 5…

A: The required hypothesis to be tested is H0:μ=5H1:μ<5

Q: A large bank vault has several automatic burglar alarms. The probability is 0.55 that a single alarm…

A: For X~B(n,p), the pmf of X is P(X=x)=nCxpxq(n-x) ; x=0,1,2,...n        p=probability of success,…

Q: The lengths of a particular animal's pregnancies are approximately normally distributed, with mean μ…

A: The probability of a "very preterm" baby is 0.0122 This event would be unusual because the…

Q: Show that the embedding of part (g) takes lines to "lines."

A: (h) We have to show that lines from ℝ2 maps to lines in P2. Lines in ℝ2 will be of the form ax+by=0.…

Q: The following table gives values of the differentiable function y = f(x). x012 3 45 6 7 89 10…

A: Substitute y=f'(x) and re-write the table as follows. x f'(x) 0 3 1 1 2 -2 3 -4 4 -3…

Q: d. ÿ- 4y = 0; e. ü + + 2y = 0: y(0) = 0, y(0)=1; y(0) = 2. v(0) = 0.

A:

Q: 5. STEM The table shows the number of known moons for each planet in our solar system. Use the…

A: Data is  Planet No. of Moons     Mercury 0 Venus 0 Earth 1 Mars 2 Jupiter 63 Saturn…

Q: (d) Would it be unusual for a random sample of 300 adults to result in 51 or fewer who do not own a…

A: (d)   Obtain the probability that in a random sample of 300 adults to result in less than 51 or…

Q: Unit 4, Part 1: Additional Practice 1. The national insurance Crime Bureau reported that these data…

A: Since you have posted questions with multiple subparts, as per the Bartleby answering guidelines we…

Q: section (measuring x inches to a side) and costing $100 to ship, the function V(x) = x²(400 – 4x)…

A:

Q: Time spent using e-mail per session is normally distributed, with u = 14 minutes and o 3 minutes.…

A: In estimation of population means on the basis of sample means, there must be some error. The…

Q: n girl grew steadily between the ages of 3 and 12 years, gaining 5 pounds each year. Let W be the…

A:

Q: What percent of a standard Normal model is found in each region? Draw a picture first. a) z>1.35 b)…

A: b) Region: z<1.1: Consider, Pz<1.1=0.8643, from the excel function, =NORM.DIST(1.1,0,1,TRUE)…

Q: 9. List the ordered pairs in the equivalence relation on A = {1, 2, 3, 4, 5} associated with these…

A: Equivalence relation is relatuon which is reflexive, symmetric and transitive.

Q: Among 28- to 33-year-olds, 35% say they have used a computer while under the influence of alcohol.…

A: Given information- We have given a problem of binomial distribution. We have given that 35% say they…

Q: d. Give an expression for P(X <æ).

A:

Q: Reduce the following A expression to normal form. Show each reduction step. If already in normal…

A: Consider the given expression:

Q: (d) Is it unusual for a broiler to weigh more than 1550 grams? Please motivate your answer!!

A: Knowledge of Normal Distribution: You should understand what a normal distribution is and its…

Q: Manufacturing and selling drugs that claim to reduce an individual's cholesterol level is big…

A: Given: Population mean μ=186 Population standard deviation σ=29 Let X ~ N (186, 292)

Q: To show that the set of all finite strings over the alphabet {0,1,2,3} is countable, you would…

A: The bijection f : 0,1,2,3×→ℕ, lists the strings in string order 0 &lt; 1 &lt; 2 &lt; 3.…

Q: If G is a non-abelian group of order 8 with Z(G) {e}, prove that |Z(G)| = 2.

A:

Q: Please answer part d

A: d. Null hypothesis: H0: p=0.30. Alternative hypothesis: Ha: p&gt;0.30. From the given information,…