Yvonne Doyle speaks at daily coronavirus briefing

Yvonne Doyle speaks at daily coronavirus briefing

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

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The video tutorial discusses the infection rates within a population, highlighting that 0.25% of the community was infected during a specific week in May. It explains the reproduction rate of the virus, emphasizing that a rate below 1 is favorable. The current estimate is between 0.7 and 1. The tutorial also covers testing statistics, noting that over three and a half million tests have been conducted, with a recent daily average of around 73,000 tests. The trend in confirmed cases is decreasing, as shown by a seven-day rolling average.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the average proportion of the community infected during the week of May 4th to 17th?

0.25%

1.5%

2.5%

0.75%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the reproduction rate of a virus is 3, what does it imply?

Each person infects one other person.

The virus spreads to five people.

Each person infects three other people.

The virus does not spread.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated current reproduction rate of the virus?

Above 2

Between 0.7 and 1

Exactly 1

Between 1.5 and 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many tests had been conducted in total by the time of the report?

1 million

2 million

3.5 million

5 million

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the trend in confirmed cases from March 21st to May 25th?

Fluctuating

Upwards

Stable

Downwards