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Tiffany luis

Tiffany l.

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How many ways can a teacher select a group of 5 students to sit in the front row if the class has 13 students?

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An urn contains 12 purple marbles, 15 orange marbles, and 11 green marbles. Tessa randomly selects three marbles, without replacement, from the urn. Round each to four decimal places. Find the probability all three marbles are green. Incorrect Find the probability all three marbles are the same color. Incorrect Find the probability that none of the three marbles are purple

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Pritesh Ranjan verified

Numerade educator

A quality control inspector randomly selects 8 calculators to inspect from 20 calculators. How many ways could the inspector select?

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A fair die is rolled once. Find the probabilities of the given events. Leave your answer as a fraction in the simplest form. The number rolled is a 1. The number rolled is odd. The number rolled is at least 6

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People walking on the street were asked if they sang in the shower. The number of people who said yes was 250 and no was 445. Find the probability that if a person is chosen at random, they sing in the shower. Round your answer to two decimal places.

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People walking on the street were asked if they sang in the shower. The number of people who said yes was 184 and no was 176. Find the probability that if a person is chosen at random, they sing in the shower. Round your answer to two decimal places.

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People walking into a soccer match were asked if they had eaten at a Chipotle in the past month. The number of people who responded yes was 397 and no was 188. Find the probability that if a person is chosen at random, they have eaten at Chipotle in the past month. Round your answer to one decimal place. prob =

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People walking into a soccer match were asked if they had eaten at a Chipotle in the past month. The number of people who responded yes was 290 and no was 337. Find the probability that if a person is chosen at random, they have eaten at Chipotle in the past month. Round your answer to one decimal place. prob

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INSTANT ANSWER

n = 148 , σ = 7.6 , α = 1 − 0.01 = 0.99 , Z α 2 = Z 0.495 = 2.576 (Round to the nearest hundredth) Find E = Z 0.495 σ √ n = Find 7.7 + E = Find 7.7 − E

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If μ = 8.3 , σ = 0.5 , n = 36 , what is a μ x and σ ¯ x ? (Round to the nearest hundredth) μ x = μ = σ ¯ x = σ √ n =

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