Questions by Merus

Questions by Merus

There is a bag filled with 4 blue and 5 red marbles. A marble is taken at random from the bag, the colour is noted and then it is not replaced. Another marble is taken at random. What is the probability

asked Aug 1, 2023

1 answer

33 votes

382k views

For each item you hear, decide whether the person speaking Hay un concierto el viernes. ¿Quieres ir? a. No, los viernes tengo clase de baile. b. No, los viernes tengo mucha hambre.

asked Dec 25, 2022

1 answer

19 votes

467k views

Evaluate the formula χ2= (n−1)s2 σ2 when σ=1.61, n=39, and s=3.79.

asked Jul 11, 2022

1 answer

44 votes

20.9k views

Juan and Jorge ran laps after school to train for the football team. The ratio of the number of laps Juan ran to the number of laps Jorge ran was five to two. If Juan ran 20 laps, how many laps did Jorge

asked Jul 11, 2022

2 answers

34 votes

284k views

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