bdr1
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
bdr1
bdr1
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
The manager of a shopping mall distributed a customer-satisfaction survey by handing it to people as they came through one of the doors to the mall one day. Of those handed out, 215 were completed and returned. Should the results of the survey be generalized to the population of all customers of the shopping mall?
General
2 months ago
The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon. (a) What proportion of hybrids gets over 60 miles per gallon? (b) What proportion of hybrids gets 52 miles per gallon or less? (c )What proportion of hybrids gets between 57 and 62 miles per gallon? (d) What is the probability that a randomly selected hybrid gets less than 45 miles per gallon?
General
2 months ago
There are 100 members in the U.S senate. There are 435 members in the U.S house of representatives. If the total number of U.S senators divisible by 2,3,4,5,6,9, or 10?
General
2 months ago
If you sell 1,000 tickets at $50/ticket, 2,000 tickets at $60/ticket and 2,500 tickets at $65/ticket, what percentage of the revenue are the sells from the $50 ticket?
General
2 months ago
Find the area of the figure. Round to the nearest tenth if necessary.Options:1564 782 391 80
General
2 months ago
Find the lateral area and the surface area of the regular hexagonal pyramid.Question 8 options:lateral area = 385.1 cm2; surface area = 805 cm2lateral area = 231.6 cm2; surface area = 441 cm2lateral area = 210 cm2; surface area = 325.5 cm2lateral area = 21.8 cm2; surface area = 231.2 cm2
General
2 months ago
Prove: Quadrilateral ABCD is a parallelogram.ReasonProof:Statement1. AC and BD bisect each other.2. AE = ECBE= ED3. m_AEB = m_CED4. AABE ACDEgivendefinition of bisectionSAS criterion5. LACD XL CABCorresponding angles of congruentI triangles are congruent.What is the reason for step 3 of this proof?A. Alternate Interior Angles TheoremB. Corresponding angles in congruent triangles are congruent.C. For parallel lines cut by a transversal, corresponding angles are congruent.D. Vertical Angles TheoremE. SAS criterion for congruence
General
2 months ago
Assume that you plan to use a significance level of alpha α equals =0.05 to test the claim that p 1 p1 equals = p 2 p2. Use the given sample sizes and numbers of successes to find the pooled estimate p. Round your answer to the nearest thousandth. n 1 n1 equals =677, n 2 n2 equals =3377 x 1 x1 equals =172, x 2 x2 equals =654
General
2 months ago
The outer diameter of a bicycle wheel measures 26 inches long. The inner diameter measures 23 inches long. What is the area of the tire around the wheel? Use 3.14 for pie.
General
2 months ago
To make orange fizz, Noah mixes 4 scoops of powder with 6 cups of water. Andre mixes 5 scoops of powder with 8 cups of water How do their two mixtures compare in taste
General
2 months ago
A storage tank has a height of 10 feet and a radius of 3 feet. The tank is 1/4 full of oil. How much oil in cubic feet is currently in the cylindrical tank? Leave in terms of pi
General
2 months ago
Gustavo tested 1000 calculators to see if any were defective. The company claimed that the probability of a defective calculator was 1% per 1000 calculators. Gustavo found 15 defective calculators out of 1000.What was the predicted frequency?Predicted Frequency . . . =(# of trials)(theoretical probability) =(1000)(0.01)The predicted frequency was ____A: 1B: 10C: 100D: 1000What was the relative frequency?Relative Frequency = Observed Frequency/Total Number of Trails The relative frequency was _____A: 0.15%B: 1%C: 1.5% D: 15%
General
2 months ago
In the figure, p || q.Identify each pair of equal angles as vertical angles, corresponding angles, alternate interior angles, or alternate exterior angles.m<3 = m<7: m<1 = m<4: m<5 = m<8: m<1 = m<5: m<1 = m<8: m<2 = m<6: m<2 = m<3: m<4 = m<8: m<6 = m<7: m<3 = m<6: m<2 = m<7: m<4 = m<5:
General
2 months ago
I need help please with these two questions.1. What is the volume of this sphere? (First Picture)8π cm³16π cm³27π cm³36π cm³2. What is the volume of this sphere? (Second Picture)Use 3.14 for pi and round to the nearest hundredth when necessary.615.44 cm³2461.76 cm³11,488.21 cm³91,905.71 cm³
General
2 months ago
Choose the option that correctly completes the statement.The sum of the measures of the interior angles of a quadrilateral is _____ degrees.27018090360
General
2 months ago
Find the slope of a parallel line to 5x+2y=6
General
2 months ago
NEED THIS ANSWER LIKE......................RIGHT NOW!!!!!!!!!!!!!!!!!!!!!!↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓A parallelogram has an area of 14 cm 2. If the dimensions of the parallelogram are doubled, what will the new area be? 14 cm 28 cm 56 cm 112 cm
General
2 months ago
five cards are drawn from a standard deck of cards. each card is replaced after being drawn. what is the probability of the following event: p(3 and 3 and 3 and 2 and 2)?
General
2 months ago
HELP!!!!!!!!!Which geometric series converges?
General
2 months ago
Caleb performed an experiment in which he rolled a number cube 100 times. He recorded the results in a table.What was the experimental probability of rolling a 4?Number Rolled - Frequency - Experimental Probability1 15 0.152 17 0.173 17 0.174 14 ?5 21 0.216 16 0.16
General
2 months ago
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
Next