05/01/21

Show that the probability of the union of events A and B can be written as follows: 𝑃(𝐴 ∪ 𝐵) = 𝑃(𝐴) + 𝑃(𝐵)[1 − 𝑃(𝐴/𝐵)] .
Show that the probability of the union of events A and B can be written as follows: 𝑃(𝐴 ∪ 𝐵) = 𝑃(𝐴) + 𝑃(𝐵)[1 − 𝑃(𝐴/𝐵)] .
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05/01/21

The area of rectangular painting is 4940cm.If the length of the painting is 95 centimeters ,what is the width?
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04/30/21

Determine the total surface area.

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04/30/21

A triangular prism has a volume of 55.5. All of the dimensions have been increased by a factor of 6. Find the new volume.
A triangular prism has a volume of 55.5. All of the dimensions have been increased by a factor of 6. Find the new volume.
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04/29/21

good explanation need help needed

Which shape is represented by the net? What is the surface area and volume?
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04/29/21

Find the probability that more than 2 students will attend. (Round your answer to four decimal places.)
A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 20% of students... more
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04/29/21

If a right circular cone has a circular base with a diameter of length 16 cm and a volume of 320𝜋 cm3, find its lateral area in square centimeters.
If a right circular cone has a circular base with a diameter of length 16 cm and a volume of 320𝜋 cm3, find its lateral area in square centimeters.I thought the answer was 15. But it's saying it is... more
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04/29/21

Geometry question
A bird is nesting in a tree at a height of 18 m. The distance between the bird and its mate on the ground is 140 m . Calculate angle of elevation from the bird on the ground to the bird in the nest... more
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04/29/21

Geometry question

A kite flown by Emily attains an altitude of 200 feet above ground level. If the angle of elevation of the kite is 72 degrees what is the length of the string to the nearest foot?
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04/29/21

Confidence Intervals (Mean)
The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 54.5 for a sample of size 29 and standard... more
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04/29/21

Statistics Question
The lengths of pregnancies in a small rural village are normally distributed with a mean of 265 days and a standard deviation of 16 days.In what range would you expect to find the middle 50% of... more
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04/29/21

Step 2 of 6 : Calculate the Sum of Squared Errors (SSE). Round intermediate values and final answer to two decimal places.
A teacher is interested in the relationship between the time spent studying for an exam and exam score. The table lists scores for 5 students. The value of b0 = 28.45 and the value... more
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04/28/21

probability question, Find the probability that Anna will,

Question:Anna predicts that she has an 80% chance of passing Science and a 90% chance of passing Geography. Find the probability that Anna will, a) pass both science and geography (is the answer... more
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04/28/21

Describe how the change affects the surface area and volume of the solid.
Describe how the change affects the surface area and volume of the solid.31.Tripling the radius and height of a cylinder32.Dividing all the dimensions of a prism by 4.33. Multiplying all the... more
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04/28/21

You spin the spinner once. What is P(factor of 48)? Write your answer as a percentage.
spiner is a four sides and the four sides are 1, 2, 3, and 4.
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04/28/21

A test has 30 multiple choice questions with 4 choices each. Which expressions represent the total number of ways to answer the following questions
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04/28/21

probability question
1.The Toronto Maple Leafs arefacing the Montréal Canadiens in a bestof seven playoff series. The first team towin four games wins the series. Ties arebroken through sudden decision... more
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04/28/21

A sample of N = 25 has a SS = 625. What is the variance for this sample?
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04/27/21

Dependent and Independent Probability Question, please help.
1.Brian has examinations coming up in calculus and biology. He estimates that his odds in favour of passing the calculus examination are 17:3 and his odds against passing the biology examination... more
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04/27/21

Is the sample size large enough so that the sample proportions follow a normal distribution

Is the sample size large enough so that the sample proportions follow a normal distribution n=250 and p=0.7yes or no
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04/27/21

Given: Quadrilateral ABCD; AC and BD bisect each other. Prove: That ABCD is a parallelogram
I need help ASAP, link for the geometry problemLink: https://drive.google.com/file/d/1jeav4gersc74JVun9XFRs3wn-u2h2GNc/view?usp=sharing
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04/27/21

Chords AB and CD intersect at point P inside a circle. P is the midpoint of chord AB. CP=8 and DP=18. Find AB
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04/27/21

regular polygon .
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04/27/21

Regular polygon .
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04/27/21

Regular polygon .
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