How do I become good at math?

2 answers:

4 0

Math is difficult because it’s hard to study for. I would recommend seeking a tutor if necessary, or if you just want more practice, utilizing resources like Khan Academy or IXL. Although the lessons aren’t exactly “fun,” they’re super beneficial when it comes to nailing a concept.

lesya692 [45]3 years ago

3 0

Answer:

pay attention dont slack and always ask questions even about the most littlest things

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Assume that Thermometer readings are normally distributed with a mean of 0°C and standard deviation of 1.00°C. A Thermometer is

Ne4ueva [31]

Answer:

0.2857

Step-by-step explanation:

The probability of interest is the area under the probability density curve between the z-values associated with the temperature limits of interest.

The first attachment shows a "sketch" of the distribution and the area of the portion of interest. (It also shows the probability as 0.2858.)

The second attachment shows the table values of interest for this problem. The z-values that we want to look for in the table are ...

z1 = (0.50° -0°)/1.00° = 0.50

and

z2 = (2.00° -0°)/1.00° = 2.00

The area of the probability density function to the left of each of these z-values is given in the table, so the area between them is the difference of table values:

0.9772 -0.6915 = 0.2857

The probability of a reading between 0.50 and 2.00 is about 0.2857.