Researchers visited a race track and interviewed people betting on the horses, both before and after they had placed their bets. They found that people who were more confident in their betting decisions because .Group of answer choices

people who had already placed their bets,

they couldn't change their minds.

Explanation:

In any competition, we are supposed to perform our best, and in competitions which involve personal judgements person participating in such competitions shall be sure of what they are putting in, what is their judgement.

Once the decision is taken by them, they shall stick to it and support and promote their decision. Same applies for the game of betting in race horses, as the ones who has already made the decision shall be sure about it.

And the ones who are still thinking about the correct horse invest in shall be confused and not confident on their choice.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -