Answer:
32d
Step-by-step explanation:
-The students ride their bikes to and from school every day. The distance is thus;
-Taking that there are 5 school days per week and that it rains in one per week. the total number of days is:
Now, we multiply the distance per day by the total number of days:
Hence, the total distance in a 4-week period is expressed as 32d ( where d is the distance from home to school).
Answer:
P = 0.018
Step-by-step explanation:
In this problem, the null and alterantive hypothesis are:
If the sample has a size of n = 40, the degrees of freedom are 40-1 = 39.
If the value of the test statistic is t = 2.463, we can look up in a t-table to find the p-value. In this test, because the mean can be bigger than 73 or smaller than 73, we have to do a two-tailed test.
For a two-tailed test for t = 2.463 and df = 39, the P-value is P = 0.018.
Answer:
Probability, eh?
Step-by-step explanation:
To figure out how likely an event is, we just put the number of the blue bands over the total number of 'other' bands.
Pretty easy!
(or do you want it in percent?)
%
(I remember there was a weird notation for these things, but I forgot it)
It is unlikely he will choose a blue band, as it is much more likely he will choose a 'other' band.
Remember, the smallest number for an event will make it the most unlikeliest to happen out of all the others.
Hope this helps!
P.S. Stay Safe, Wash Your Hands, etc.
