5 answers

##### If Samiah solved this problem correctly, then Samiah obtained the answer 2. Samiah obtained the answer 2. Therefore, Samiah solved this problem correctly.

If Samiah solved this problem correctly, then Samiah obtained the answer 2. Samiah obtained the answer 2. Therefore, Samiah solved this problem correctly....

5 answers

##### A study of ad effectiveness found that 20% of consumers who had not yet been exposed to a new advertising campaign (the “control group”) reported having a “favorable” or “very favorable” perception of a certain brand.By contrast, out of a simple random sample of 400 consumers who were exposed to the advertising campaign, 100 (25%) reported having a “favorable” or “very favorable” perception of the brand.The advertising company claims that their ad has increased the fraction of exposed customers

A study of ad effectiveness found that 20% of consumers who had not yet been exposed to a new advertising campaign (the “control group”) reported having a “favorable” or “very favorable” perception of a certain brand. By contrast, out of a simple random sample of 400 consumers who wer...

5 answers

##### A factory that manufactures bolts is performing a quality control experiment. Each object should have a length of no more than centimeters. The factory believes that the length of the bolts exceeds this value and measures the length of bolts. The sample mean bolt length was centimeters. The population standard deviation is known to be centimeters.

A factory that manufactures bolts is performing a quality control experiment. Each object should have a length of no more than centimeters. The factory believes that the length of the bolts exceeds this value and measures the length of bolts. The sample mean bolt length was centimeters. The popul...

5 answers

##### On average , 3 accidents happen every week along great north road. What is the probability that we will observe 9 accidents in a month?

on average , 3 accidents happen every week along great north road. What is the probability that we will observe 9 accidents in a month?...

5 answers

##### A bacteria culture is started with 200 bacteria. after 5 hours, the population has grown to 700 bacteria. If the population grows exponentially...What is recursive and explicit formula and how do you write it?

a bacteria culture is started with 200 bacteria. after 5 hours, the population has grown to 700 bacteria. If the population grows exponentially... What is recursive and explicit formula and how do you write it?...

5 answers

##### How did she find recursive formula she starts off with using? Why is it written in this form

How did she find recursive formula she starts off with using? Why is it written in this form...

5 answers

##### A class with 10 students will be split into five teams of two students each. There are four women and six men in the class. What is the probability that the first team chosen will have two men?

A class with 10 students will be split into five teams of two students each. There are four women and six men in the class. What is the probability that the first team chosen will have two men?...

5 answers

##### A random card is drawn from a standard deck of 52 playing cards. a)Determine the probability of the card drawn being any spade OR an ace of any suit.b) Determine the odds in favor of the card drawn to be any spade or ace of any suitec) Now that you know the odds in favor, what are the odds against?

A random card is drawn from a standard deck of 52 playing cards. a)Determine the probability of the card drawn being any spade OR an ace of any suit. b) Determine the odds in favor of the card drawn to be any spade or ace of any suite c) Now that you know the odds in favor, what are the odds ag...

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##### In the class, we defined Huber loss asl?(e) :={12e2,if|e|???|e|?12?2,if|e|> ?Consider a robust regression model,min?N?i=1l?(yi??Txi)wherexiandyidenotei-th input sample and output/response, and?isthe unknown parameter vector.(a) Provide steps for the batch gradient descent in order to obtain solu-tion?. [5 Points](b) Provide steps for the stochastic gradient descent using mini-batchesof size 1, i.e., one sample in each mini-batch, to obtain the solution?.

In the class, we defined Huber loss asl?(e) :={12e2,if|e|???|e|?12?2,if|e|> ?Consider a robust regression model,min?N?i=1l?(yi??Txi)wherexiandyidenotei-th input sample and output/response, and?isthe unknown parameter vector.(a) Provide steps for the batch gradient descent in order to obtain solu...

5 answers

##### The length of an elephantâ€™s trunk is normally distributed with a mean of 175 cm and a standard deviation of 10 cm. What length are the shortest 10% of elephant trunks under? Round your answer to 3 decimal places.

The length of an elephantâ€™s trunk is normally distributed with a mean of 175 cm and a standard deviation of 10 cm. What length are the shortest 10% of elephant trunks under? Round your answer to 3 decimal places....

5 answers

##### A hand of 8 cards is dealt at a random from a standard well shuffled deck of 52 cards. What is the probability that the hand contains exactly 2 clubs, given that there are exactly 3 red cards?

A hand of 8 cards is dealt at a random from a standard well shuffled deck of 52 cards. What is the probability that the hand contains exactly 2 clubs, given that there are exactly 3 red cards?...

5 answers

##### In a survey of companies it was found that 65 were operated in the mining sector

In a survey of companies it was found that 65 were operated in the mining sector...

5 answers

##### The chart below shows the numbers of endangered and threatened species bothhere in Ghana and the rest of Africa (ROA).Endangered ThreatenedGhana ROA Ghana ROAMammals 68 251 10 20Birds 77 175 13 6Reptiles 14 64 22 16Amphibians 11 8 10 1If a school is chosen at random, find the probability that, it is(a) Threatened and in Ghana(b) Threatened or in Ghana(c) An endangered foreign bird(d) An endangered bird or in Ghana(e) A mammal or a threatened foreign specie

The chart below shows the numbers of endangered and threatened species both here in Ghana and the rest of Africa (ROA). Endangered Threatened Ghana ROA Ghana ROA Mammals 68 251 10 20 Birds 77 175 13 6 Reptiles 14 64 22 16 Amphibians 11 8 10 1 If a school is chosen at random, find the probabi...

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##### Let F and Fn with n ? N denote non-decreasing functions on R with limits 0 and 1for x ? ?? and x ? ?, respectively. Assume that F is continuous. Show that pointwiseconvergence of (Fn)n towards F implies uniform convergence

Let F and Fn with n ? N denote non-decreasing functions on R with limits 0 and 1 for x ? ?? and x ? ?, respectively. Assume that F is continuous. Show that pointwise convergence of (Fn)n towards F implies uniform convergence...

5 answers

##### Let r > 0, and definef(x) := 1[0,?[(x) · exp(?r · x), x ? R.a) Show that p · f is integrable w.r.t. the Lebesgue measure ?1 for every polynomial p.b) Compute the integrals xk · f(x) ?1(dx) for k = 0, 1, 2.

Let r > 0, and define f(x) := 1[0,?[(x) · exp(?r · x), x ? R. a) Show that p · f is integrable w.r.t. the Lebesgue measure ?1 for every polynomial p. b) Compute the integrals xk · f(x) ?1(dx) for k = 0, 1, 2....