One survey found that 23% of its members had purchased shares directly through an initial public offering. In a sample of 12 members, what is the probability that three members have purchased in an initial public offering? Question solved general 9 months ago 1801
pts) Given the vectors = (1,1,4), (0,1,-1) and (-1,2,2) in R3, find (a) the vector that satisfies the equation -20-x-5 -6-4+30 (b) the scalar product ü-ü (c) the vector product uxw (d) a vector i with the same direction and opposite direction to the vector u and modulus equal to 2. (e) a vector z simultaneously orthogonal to the vectors u and w. (f) the angle between the vectors u and (g) the area of the triangle determined by the vectors u Question solved general 9 months ago 331
In a company, how large should the sample be to carry out a study of the average time an employee spends daily on the phone? The result must have a maximum error of 3.2 minutes and 95% confidence. Analysis of a preliminary sample resulted in a standard deviation of 8.75 minutes Question solved general 9 months ago 2275
A phone manufacturer encloses a rebate coupon for 15% off in a package of a phone retailing for $60.29 what is the rebate value Question solved general 9 months ago 1354
: In a certain community, there are 3 families consisting of a single parent and 1 child, 3 families consisting of a single parent and 2 children, 5 families consisting of 2 parents and a single child, 7 families consisting of 2 parents and 2 children, and 6 families consisting of 2 parents and 3 children. If a parent and child from the same family are to be chosen, how many possible choices are there? Question solved general 9 months ago 1695
To paint a room you need 3 cans of paint. If 3 painters each paint a room, how many cans will they spend? Question solved general 9 months ago 1429
A kilo of onion is bought at the same price as a kilo of orange. A kilo of avocado costs half the cost of a kilo of pear, whose price is double that of a kilo of onion. Additionally, cilantro cost $4.00, which is one-fifth the cost per kilo of orange. Question solved general 9 months ago 124
Suppose you arrange 5 marbles on a table for decoration from left to right. One marble is yellow, one is blue, one is red, one is green, and one is orange. What is the probability that you arrange the marbles so that the green one is first on the left? Question solved general 9 months ago 159
Show that y=1 is a horizontal asymptote of the function f(x) = 1/x + 1 Question solved general 9 months ago 256
In Don Pancho's bakery the bakers made 40 loaves of the dead. Juan, one of them made 2 more loaves than the others. How many loaves did Juan make? Question solved general 9 months ago 2696
In the fruit company where you work, you are in charge of applying a growth regulator to 78 hectares of grape varieties for fresh consumption and export. The planting distances of the vines are 3m. × 3m. and previous records indicate that the improvement per hectare is 800 liters on average. There is an applicator equipment consisting of a nebulizer, whose pond has a capacity of 1500 liters. The growth regulator to be used comes in a product whose active ingredient is 52% p/v The dose of the commercial product recommended on the label is 5 liters per 100 liters of water. To enhance the effect of the application, an adjuvant will be added whose commercial product must be applied in a dose of 15cc per 100 liters of water. Amount of commercial product applied per hectare? Question solved general 9 months ago 1467
Macarena has a square of cardboard with a side of 10 cm. How many centimeters of cardboard does Macarena have in that square? If she wants to cut a corner in the shape of a right triangle, and the remaining area is 90 square cm, where can she make the cuts? Question solved general 9 months ago 357
A store gives away 3 loaves for every dozen loaves purchased, write an algorithm that determines the number of loaves a buyer carries, if it is known that they bought X dozen. Question solved general 9 months ago 584
A monopolist faces the same demand curve above and has a total cost function 𝑪(𝒒) = 𝟔𝒒. Compare profits, consumer surplus, and deadweight loss under two scenarios: a- The seller charges a single price to all customers; and b- The seller can perfectly price discriminate. Question solved general 9 months ago 455
In the regression equation y hat = 5 – 10x, what is the value of the slope? Question solved general 9 months ago 2866
Two different suppliers the Grayson group and Westfield offer you trade discount on the same product. The Grayson group offers 25% 15% 10% whereas Westfield offers 30% 20% 10% note please make sure your final answers are in percentage form and are accurate to 2 decimal places Calculate single equivalent discount for Grayson group Equivalent single discount for west o If their list price is are which supplier will give best …Select one will give best price If Westfield has a list price that is 7% higher than the grason group which supplier will give the best price Question solved general 9 months ago 1018
An urn contains 6 red and 4 black balls. They are withdrawn from the urn, one at a time and without replacement. Find the expected number of red balls chosen after the first but before the third black ball has been chosen. Question solved general 9 months ago 1876